1 definition by Holy Shit it's Shiela

porcupine

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