Top Definition
Of exceedingly large size.
That girl's booty is gigantuous!
by baachou August 18, 2008
1 more definition
gigantic, large, huge.
omfg! look at the size of that guys piece, it's gigantuous!!!!!!!!

suck a huge, (use hand gestures) anal cavity ripping, gigantuous, son of a bitch, trash, ass, dick, vegetable, puppy, ouch, ash tray penis.
by erinelained September 17, 2008

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