KRYCEK: (Terrence/Phillip voice) I'm here, Spender. I'm here to rescue you from your smelly rebel alien captors!
SPENDER: (High child-like voice) Krycek!
SOME DUDE: Hey, he looks more like Cigarrette Smoking Man that you!
SPENDER: [Fart]
SOME DUDE: Oh! Now I see the resemblance!

(My friend Inferna thought a bunch of these versions up. The original was from South Park when Terrence and Phillip went to find Sally in Iraw)

My English teacher told us that "woof", "bark", and "oink" are not onomatopoeias.