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1.
A large vehicle driven by a Straight-Edge kid to taxi his intoxicated friends.
"Let's all hop in the funbus, we are much too drunk to drive."
by Gregor Samsa November 13, 2005
 
2.
bang out the fun bus. get your hommies places fast ! drive like madman. roll over ppl in the way of your massive vehicle the sunderer
all aboard the fun bus we're hittin hossin tonight
by petrella May 16, 2004