When a girls pubic hair is extra sharp right after she shaves and it stabs your skin while fucking her.
"She gave me a Porcupine and it hurt the whole entire time."
by PaPa ZiTT November 30, 2006
Get the Porcupine mug.
Fisting a girl and suddenly extending all fingers once inside.
You should have seen the look on Cindy's face when I threw down the porcupine!
by Spitfire82 December 4, 2010
Get the Porcupine mug.
Verb. When a person's (generally a woman's) underwear has worn so thin his or her pubic hairs poke out of the cloth, like the spikes of a porcupine.
Karla: Do these panties look okay?

Darren: Yeah, except for the fact they totally porcupine.
by Holy Shit it's Shiela June 7, 2011
Get the porcupine mug.
A very strong and painful orgasm, which feels like sharp objects are piercing your genitals.
"Stop! You're gonna give me a porcupiner!"
by JOE July 26, 2004
Get the porcupiner mug.
Verb-To stick a man's awesome spiked up hair in a women's pussy, pleasuring her.
Tyler porcupined Becca so hard she rewarded him with a ham sammech.
by ForrestDump September 19, 2010
Get the Porcupine mug.
What a loose woman would look like if she had as many different peckers sticking out of her as she had stuck in her.
You ought to ditch that hag Suzie; she's a frigging porcupine.
by Baby Hughy January 8, 2005
Get the porcupine mug.
Where you and your girl are having sex with a porcupine, a game is played where whoever by the end of the sex has the most quills in the ass is the winner. The winner usually gets bragging rights to their parents as the intercourse is usually insestual.
Sam: so did you and Cheryl do anything last night

John: ye ye bro me and Cheryl were porcupining!
Sam: yooooo! Please tell me you won.
John: of course I did dad you know Cheryl follows mom for her inhability to porcupine.
Sam: that’s my boy
by ReeceCarCrashWheelwright October 17, 2018
Get the Porcupining mug.