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1. Jerkasaurus
A very large jerkoff-half dinosaur like human of the Upper Cretaceous Period of North America, characterized by having strong wrists and a large head. Also know to some Canadian dwellers as jerkoffskie
Jerkasaurus is owning up!
by Last_Assassin Jan 14, 2004 add a video
2. jerkasaurus
the king of jerks - total idiot - loser
you're a real jerkasaurus.
3. Jerkasaurus
A dinosaur sized jerk.
Lindsay is a jerkasaurus!
4. Jerkasaurus
A person who has exhibited abnormally large amounts of rudeness or has said something especially heinous.
Kelly walks into the room...

"Well hello Kelly McFatass! Quick grab a chair! Outta breath already, aren't ya?"- Ian

"Ian you are a jerkasaurus!!!"- Kelly
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