Top Definition
Cock: Penis, Male Genitalia, Johnson, Goliath, Beastiality, Peter Pan, Johnny, Night Stick, Magic Stick
Osaurus: extenstion of the Tyrran-"osaurus" Rex.

Combined it is "COCKOSAURUS" where the cock is as big & mean as the dinosaur. Showing dominance, strength and pure mojo.
Dave is the big boy in this gym class, all his mates call him cockosaurus. All the ladies like Dave.
by WA WA WI WA August 01, 2006

The Urban Dictionary Mug

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The Urban Dictionary Mug

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The Urban Dictionary Mug

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