Definitions by Bud von Rapier

foom 

Foom is the sound that's made when your head explodes, like if someone's using too many sexual innuendos in a conversation on MSN.

1: I used a 10 foot pole to get that fish from the canal.
2: *foom*

His head hath just exploded.

foom by Bud von Rapier August 1, 2006