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2.
An overweight woman used exclusively for oral sex.
"Dude, have you seen Kevin's Girlfriend?"
"The fatty?"
"Yeah, she's a total blowpig."
by Lexander August 24, 2006
 
1.
a slut or whore, a girl that will BLOW anyone
yeah i had dat blow pig over, my whole crew got some
by John April 07, 2004
 
3.
any female (or girl if you will) who will blow just about anyone

Also, any girl who simply loves to suck d*ck like a grimey whore.

Note: Blow pigs can be sloppy, overweight, AND/OR ugly BUT when getting a BJ, especially from an experienced blow-pig, WHO REALLY CARES ANYWAY!!
Guy 1: Yo dude, check that girl out over there, she looks like a real blow pig!

Guy 2: Yeah man, i bet she guzzles buckets of cum in her spare time. You can tell shes just asking for that guy to stick his d*ck in her mouth.

Guy 1: F*ck yeah.
by I Love Dirty Whores May 25, 2006
 
4.
Known as a person whom consistantly participates in having oral sex with a person of the male gender.

This individual is known to have an addiction to oral intimacy with males human beings.
He keeps following my best friend around, he's such a Blowpig.
by NightBl1d3 August 16, 2009
 
5.
An individual, primarily a female, who performs the act of fellatio upon one or more police officers
Sam's mom is such a blowpig, when his dad isnt home she is busy suckin off every cop in town.
by BIG MIKE THE WIZARD November 16, 2006