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A girl that only sleeps with RockStars and thus obtains some level of fame simply because of the penis that she's had inside her vagina.
That girl slept with every rock star I know, she's a Cockstar.
by Jesse Brede January 07, 2009
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2
A member of a famous band who doesn't give a shit about his fans and sells his shit for ridiculously high prices, but people will still buy it because he's usually considered cute.

I.e, Kellin Quinn
Person 1: pfft, Sleeping with Sirens suck
Person 2: I know! They're such cockstars!
by kingjoshua August 23, 2013
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3
A bad-ass who is a natural when it comes to rock star attitude and behavior.
by mj August 14, 2003
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6
A guy who knows how to use his cock in the bedroom, pornstar, stud
After Lisa came twice, she called MOCO a cock-star!
by MOCO & P-Phat February 11, 2009
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7
What would you like to be when you grow up son? Well Dad my girlfriend says I'm a total cockstar so I will go for that.
by Andy Sayles March 29, 2007
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