Top Definition
One who is behaving like a really large douche bag. More ill-tempered than a mere douche bag.
Tom was being such a douchopotamus today. Way worse than usual.
#douche #douchebag #douche bag #jerk #asshole
by ImNotReallyAWaitress July 29, 2010
Someone who is a big fat douche...
Look at that Douchopotamus over there. If she forgets to stop chewing when she finishes that sub she's going to gnaw her hands off.
#douche #douchebag #hippopotamus #fat #obese
by Frozen Goat June 01, 2011
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