oh no you missed that one!??!?!? it was probably more disturbing to me than the barbara streisand creature that kept on annoying kenny!
there was this episode where all the kids are sitting at the bus stop and cartman comes over with sparky, kyle's gay dog. he's all, "hey you guys check out what sparky can do!" so cartman makes sparky get on his back and says "red rocket, red rocket, sparky, red rocket!" over and over again while jerking off the dog! finally the dog spews all over the place and gets in cartman's mouth! so they all think it's cool, stan takes sparky to his place and wants to show his parents... but they're in the middle of this book club. stan goes behind the couch and starts chanting, "red rocket, red rocket" in front of his parents and friends.... oh man, too funny!!!