Top definition
A dinosaur that is often found at senior parties in imaginary towns. The altercationsaurus is often responsible for the intoxication of otherwise innocent teenagers. This intoxication will occasionally lead to said teenager hitting an olympic athlete, rendering them crippled and maimed and leading to multi-million dollar lawsuits.

Altercationsaurus can also be found following around large mobs of deer, leading to speculation regarding whether or not the olympic runner was, in fact, hit by a car and not an altercationsaurus.

Further speculation regarding a pending court case would be irresponsible.

I am not a video camera.
The altercationsaurus got Peyton soooo wasted last night. I heard she hit a runner!!!
by Kerry Knox March 12, 2010
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