What is Fattyfattyboomboom?
a slang and careless word often used when in a state of arousal or lame sarcasm
Derek, "Oh Martha your breasts are fattyfattyboomboom (orgamsm)
Enrique, "Hahaha fattyfattyboomboom!" (Piss pants)
See lame, fattyfattyboomboom, arousal, celine, dion