A chubby German Shepard and a lithe cat venture over to a junkyard called Bob's Broken Booty, and things become a little stinky after the dog eats a chunk of moldy cheese.

---

The German Shepard was panting with his tongue flapping against the side of his face as he sprinted down the sidewalk on all fours, eager to make his way to one of the best places he liked to hang out. Even with his girth, the dog was running faster than the cat, who was trailing behind the dog with difficulty. "C'mon!! It's not far now!"
The cat panted more heavily as he followed the trail of the dog. "Quit running so fast, it's not like it's going anywhere!" he hollers. Eventually they reach the chain-link fence that marked the entrance to their number one spot in the city: the junkyard, also known as Bob's Broken Booty. Their usual entry spot was a hole in a wooden section of fence somewhere out of view. Even the cat, normally quit dour compared to the dog, was excited to come back. The day was perfect and sunny for it, too. He was thinking of the plump rats that stalked the rows and rows of junk. "Ah, good times," he says as he sees the place.
The German Shepard inhaled deeply before sighing with satisfactory at the humid, putrid stench of the junkyard. "Ah, the sweet smell of a junkyard in the morning. Isn't it great?"
"It sure is," The cat says with glittery eyes. He whaps the dog's thigh. "Let's get going, buddy. Lead the way!"
Naturally, the first thing the dog leads the cat to is the giant pile of garbage resting next to a tattered Chevrolet car. He woofed happily and began to wag his tail before he threw his entire body on top of the pile of filth, chewing his way through any scraps he could find.
The cat declines to partake in the garbage chewing, instead sitting and trying to look cool and catlike. "I think this is where we part ways. I'm going for a hunt, we'll meet up at our usual spot. Remember, by the old bus. Don't get too lost in there." The cat then bounds away. The Shepard, meanwhile, seems to be having a good time. But a persistent itch starts to grow on his hindquarters.
The dog laughed with garbage in his maw and chewed the rest of the food before swallowing hard and sighing again. He suddenly twitched and began to shake his tail, feeling an ant or some unknown type of itch on his butt. He shook his rump vigorously in an attempt to get the miscreant off his derriere, but it was no use. "Hmm...that sharp bit of metal over there looks nice." The Shepard ran over to the obstruction and turned around. He lifted his tail and brushed his chubby ass against the metal, sighing and giggling as he started briskly dragging his ass back and forth to scratch it.
As it turns out, that piece of metal is likely the best the dog has ever felt scratching his butt. The feeling goes beyond any mere scratch, almost like a masseuse with long nails. This will likely keep him preoccupied for a few moments!
The dog wasn't even keeping track of his meeting with the cat, as he was too happy rubbing his butt, panting and sighing erratically with his tongue hanging out. He was feeling so good one of his hind legs was moving up and down very quickly, similar to when a puppy has his belly rubbed.
The dog's butt cheeks slide up and down, the itch all but soothed and more. Truly a blissful moment for a simple yet enormous canine - however, the sun's light glistens off something moist. It's a rather moldy piece of cheese, an enormous hunk sitting out among the refuse. What sort it is, though, is faded from time. Might be Wensleydale, though. The dog has a choice - keep scratching his big butt, or inspect the cheese.
He thought scratching some more, but his nose couldn't help but detect the infamous odor of cheese. And subsequently, his stomach began to growl and his mouth started watering. He hadn't eaten in a while. ....Okay, he ate less than 30 minutes ago, but his belly craved the stinky cheese, so he stepped away from the metal and over to the dairy product. "Well....I can't leave a perfectly good piece of cheese lying on the ground so..." And with that, the dog bent down and gobbled up the cheese.
That cheese won't be going down without a fight, but the dog will at least not feel the immediate effects! Meanwhile, the cat is busy chasing some rats around. Despite their unsettling size, the cat has agility to his dog friend's strength, and easily manages to outwit their feeble attempts to fight back. Hissing as he gives chase, he is far from the dog. But one rat happens to lose his pursuer, crawling around until it enters the general vicinity of the hulking German Shepard.
"Oh look, a rat." said the Shepard.
The rat immediately jumps up with a surprised squeak, an exclamation mark practically appearing above his head. It stared at the dog, unmoving and frightened by his sheer size.
The dog began to play with the rodent, lowering his head to its eye level and growling gutturally with his teeth showing. But as he was about to attack the rat, his stomach began to growl.
The rat squeaked in fear again, backing slowly up from the dog, who looks like he's about ready to pounce! The rat, as dumb as it is, has never seen a canine this huge...or bulky, for that matter. The Shepard still looks like he could use a good diet.
The dog laughed evilly and raised a paw, shortly before something came blowing out of his backside. He recognized the blunt trumpeting and hot air coming out of his ass from anywhere. And as always, his olfaction easily identified what smelled like rotten eggs....but this time a hint of cheese was detected. The dog's face grew red and he laughed meekly.
The rat paused, then pointed at the dog and laughed derisively, before scampering off into the junk piles. Just then the cat appears, panting hard from his 'workout'. "What was that noise? Did you find the rat?" he asks the dog hurriedly.
"Not exactly...."
The cat sighs. "Ah well, lets go hang out somewhere," he offers, not realizing that the bad cheese the dog ate is starting to wreak havoc on his bowels.
As the dog and cat were busy walking beside each other, the Shepard smiled slyly and let out a long, but clandestine fart before he smelled the air. "PHEW!! Hey kitty, did we step on a bunch of rotten eggs?"
The cat makes a face as if someone shoved mud into his nostrils. "Wha..." But it doesn't take him long to realize the culprit. "Hey! I see that raised tail of yours. I figured with all the garbage you ate you'd find something bad," he says grouchily. But he gets an idea. "Hey, might as well have some fun. You fart, I'll rate it. See if you've still got the bowel power you use in your fights."
"You're the boss!" And with that, the dog walked over to a crumbled up can of beer and pointed his butt at it. Raising his tail and shutting his eyes, the dog grunted as his bowels began to rumble and he let out a fart powerful enough to knock the can over.
The cat hrms, sitting and licking his paw. "I give that one....a three," he says, sounding dismissive.
"On a scale of one to ten of course," he adds.
"I'LL SHOW YOU A THREE!!" the dog barked. He instantly turned his body around and farted in the cat's direction. However, this fart was so loud, he heard someone in the distance let out a startled shout. The fart lasted over fifteen seconds and the stench was so horrible that it clouded the dank smell that the junkyard was emitting already.
The cat was more nimble than that, of course, and managed to dive into a tire and avoid the blast from the dog's butt. After it ends, and the smell subsides a little, the cat pops back up. "I give that one...a six," he says, still unimpressed. "Come on...I want to hear a ten, pal! You can do it!"
The dog's stomach growled yet again and he couldn't do anything except for whine and refrain from letting the gas out just yet. He wanted to build up all the power of the fart before letting it all out and polluting the air with his foul flatulence. As so, the German Shepard spread his hind legs a little and squatted down like he was ready to poop. Afterwards, everything was rendered inaudible with the giant fart the dog let out. He wasn't sure how bad the cheese was, but there must've been a corrosive type of mold growing on it. The junkyard didn't even smell like a junkyard anymore; it just smelled like dog ass. In one area, it smelled like rank eggs. In another, dead skunks and rodents. In another, a rotten pile of meat and road kill that had been in the trash for several months.
The cat buried his nose in the mud, preferable to sitting in the open air. It looked as though the dog couldn't stop, and he may find it hard to even stop all that too. Eventually, though, it starts to peter out. The cat gets up, sniffing and making a face. "Wow....okay, definitely a 10 on that one. Are you feeling okay?"
"WHEW!! Well I sure do feel relieved after letting that out! Um, you can't die from eating moldy stinky cheese right?"
The cat wanders over to the dog and laughs. "I dunno!" he reaches up and yanks on the shep's tail. "I think your stomach's strong enough."
"Oh. Well in that case, I'm fine. Just don't be surprised if you sleep next to me and later wake up smelling cheese and expired eggs."
The cat laughs. "All empty now, are you? Well, if so...maybe I'll give you a scratch to complete the day. What do you say?"
"Depends. Where you scratchin'?"
The cat nonchalantly looks at his claws. They look like really good scratching ones. "Anywhere you want, buddy. I owe you for you bailing me out in that fight with the Siamese twins."
"Good, cause I still got this really big itch on my ass back here." said the dog, turning around and pointing his rear end at the cat.
The cat nods, examining it while the dog squats. "Alright, I'll see what I can do," he says. He starts to vigorously scratch his claws on the dog's buttocks, finer than any hunk of metal when it comes to such things! Perhaps in another life, the cat might've been a masseuse.
The dog was busy panting and moaning softly as the cat massaged his butt, and he couldn't help but pass a little wind in the feline's face from excitement.
"Blaugh!" The cat says, and promptly falls over from it. Whether the dog notices his friend has fainted or not, well, depends on his brain power.
The dog stopped feeling his sense of euphoria from behind and realized that something probably happened to his friend. He turned around and noticed the cat was lying face down on the ground. "Whoops. Guess I still had a little left in me."