Hey guys, what's up? Dude, what's wrong with you, you got some...
(Mark, the home schooled kid, rolls into Mr. Garrison's class in a giant hamster ball.)
Mark: Hey guys, what's up?
Cartman: Dude, what's wrong with you, you got some kind of John Travolta disease or something?
Mr. Garrison: Alright children, let's all just try to ignore the fact that there's a little boy in a giant hamster ball and continue on with our lesson, okay?