http://en.wikipedia.org/wiki/PythagoraSwitch

Hope that link helps ;3

Thank you! I knew they were saying Pitagora dammit!

As much as I understand

Pita and Gora are some characters in this show x3
and the word 'Suitchi' is simple Katagana for the english word 'switch'

Japanese are very confinent people x3 and just steal their words from english, making them as similar sounding as possible with their Katagana writing ;3

Yeah, like, they say taià for tyre...