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2.
Someone acting like such a huge dick that they have become a Dickosaurus
"did you hear about what Johnny did at the store"
"I know right what a Dickosaurus"
by Dafuq bra September 13, 2012
 
1.
somone that is a jerk or is being a dick

a large dick or jerk or stupid person
Joesph: god dammit your so dumb!!!!
Alex: go fuck yourself you dickosaurus!
by Josh the bestosaurus May 20, 2008