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1. When a woman (or man) refuses to kiss a man with stubble or bristles on his chin / upper lip; insisting on a clean-shaved partner.

2. A refusal to have interiors or oral sex with a partner with unshaven pubes.
She imposed a porcupine curfew because she hated his designer stubble .
He wouldn't go down on her until she had a brasilian, called it a porcupine curfew.
by Spike Hike June 10, 2017
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