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1.
Italian Slang: Literally, "go stick it in your ass!" or "Up your ass." Derived from "Va F'anculo," an exclamation of annoyance or contempt.
Ah, bah-fungoo! Go back to your goumada, ya bastid!
by weave March 16, 2003
 
2.
"go stick it in your ass," "up your ass," "fuck you!"
From Italian, "Va F'anculo"
Ah, bah-fungoo! Back off, faccia bruta!
by weave March 18, 2003