Definitions by ArigatooGozaimasu

FUN 

An Acronym, scientifically spelled out to spell the following:
F- Fire that burns down the whole town.
U- uranium bombs
N- No survivors...(eventually interrupted by SpongeBob)

Dude 1 - Hey Dude 2, lets FUN.
Dude 2 - Dude 1, we're looking at some serious time here.

FUN by ArigatooGozaimasu August 7, 2010