by j.bowen January 3, 2007
Get the jerkasaurus mug.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 January 14, 2004
Get the Jerkasaurus mug.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
"Well hello Kelly McFatass! Quick grab a chair! Outta breath already, aren't ya?"- Ian
"Ian you are a jerkasaurus!!!"- Kelly
by K-rex15 October 25, 2012
Get the Jerkasaurus mug.