It is an adjective describing the anal region of a female that is very hairy.
Man...that chick over there has a real hairy porpoise anal booty butthole hairy brown starfish
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It starts with a male doing his partner from behind. The male then removes his member from the vagina placing the tip against his partners asshole as if he is attempting anal sex. The female immediately looks back at the male making a dolphin or porpoise sound..."Ehh Ehh, Ehh Ehh"...as if saying no way.
She was getting hot during some doggystyle sex, so I tried for the alternative but got only the angry porpoise.
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To jerk off. To masturbate. To stroke one's own cock (usually with much vigor).
Damn, my cock is sore! Since Sara shot me down, I've been pounding the porpoise to an old Hustler. I really need to get me some for-real nookie!
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When a girl gives a guy with a short stubby dick a handjob.
I was getting action from my girlfriend last night and she wanted to stop jerkin' my dick, but i was like "No bitch, keep Chokin' The Porpoise."
When two men are having anal sex and making porpoise noises, they are brown porpoising.
I heard two men brown porpoising the other night. I was quite perturbed.
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An exceptionally tight vagina. Implied to be tighter than that of a porpoise's pussy, which is water tight.
My dick is still sore from fucking that bitch with the porpoise pussy! I thought her pussy was gonna strangle the life out of my cock!
The stage between a flaccid penis and a full erection.
"Dude she rubbed her butt up against me, and I'm at quarter porpoise right now"