a girl with large breast and usually carrying a sexually transmitted disease who sleeps with or gets pounded by everyone even you. Also, tends to 'pig out' on cock regularly.
"That bitch wouldn't get off my cock for hours, she rode me like the cockpig she is."
"That bitch has herpies... thats what she gets for being such a cockpig."
"That bitch has herpies... thats what she gets for being such a cockpig."
by alexander the gr8 November 11, 2008
Get the cockpigmug.