A sexual philosopher who has great sex slogans and a pretty fucked up mind.
"Don't think with your head, think with your lower head" -Cockrates

by Cockrates May 26, 2008
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A girl who is a complete slapper. ie, a slut
Derived from mallrat
I got with Jenny last night. She is such a cockrat, she will fuck anyone.

Wendy is such a cockrat man, I wouldn't even fuck her with your dick.
by Mattlock™ April 28, 2008
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a species produced when a penis and a mouse or rat mate and have a son. this son looks much like a cross between a cock and a rat, therefor, it is a cockrat.
"Crikey! Today, we're huntin' the New Jersean Cockrat today on the Croc Hunter! OI!"
by kzos June 17, 2003
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