Top definition
Any person, male or female, with a penis that is better measured in metric tons than inches.

Also see "Zoah"
That guy I went home from the bar with last night was a real Cockasaurus. He tore my taint in half and now I'm shitting out of my box.
by Zarr January 20, 2004
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2
A man with a very large penis almost the size of the Willis Tower, could be called Big Willie.
by Cockstain23 December 10, 2009
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3
A massive, omniverous, mean, but not agressive unless threatened by anything, dinosaur that comes in a varieties of colors and three different sizes. There are mini cockasauruses, flying cockasauruses, and normal cockasauruses.
There are 91 cockasaurus eggs in the air conditioning unit.
by cockasaurus man March 19, 2008
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4
A hugggggeeee penis, like realllyyyy big
"she wanted some of my cockasaurus"
by G Dub April 10, 2007
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5
palmers mom is a cockasaurus
that stinky bitch is a cockasaurus
by jason hance January 05, 2004
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Dirty Sanchez Plush

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6
The hot and big cock of a Pokamoke Indian.
I wish I could suck his cockasaurus day and night.
by Melanie July 14, 2003
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7
Very huge cock,described big like a dinosaur
"Brad showed me his cockasaurus"
"Bro she couldn't handle the cockasaurus"
by Plemington_J August 27, 2013
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