A nymphomaniac. A woman who loves sex so much that her cunt is almost always red and swollen. The snapper part of the expression referring to how tight and eagerly her cunt seems to snap shut on cock. Also in part a fisherman's pun in that red snapper fish do not let go of the bait easily even after being hauled aboard the fishing boat (in this case the worm is a cock). Red snapper is also a tasty fish dish.... Thus again referencing very agressive nymphomaniac behavior.
I found me a red snapper at the bar last Friday night and I am so sore now. I barely got rid of her before going to work Monday.

A famous early 1980s Ron Jeremy porn flick is about the "legend of the red snapper".
by well-duh May 24, 2009

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A girl on her period will have a redsnapper
Damn Shirley had a redsnapper last night when I boned her.
by -=FATE=- Redsnapper May 14, 2008

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When a girl has her period, and has an especially heavy flow and blood drips from her pussy to her ass and she farts. Resulting in a wet popping noise coming from the blood.
Bitch just had a red snapper
by Abraxas42 September 12, 2014

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An insulting term given to a woman who is suffering from major PMS symptoms or a women who has her period. Snapper is a term for a womans vagina, and red equals its current state.

"Watch out for Jodi, shes acting like a red snapper today"

"Dude, I dont know why Mike went home with Shirley, she's got a Red Snapper today"
"Watch out for Jodi, shes acting like a red snapper today"

"Dude, I dont know why Mike went home with Shirley, she got a Red Snapper today"
by twistedshadylady June 28, 2009

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The female version of the Dirty Sanchez, wherein a menstruating woman inserts two fingers into herself and paints a dali-esque mustache across the upper lip of her partner.
Did you hear what Tracy did to Steve? He was all ready to go, and then she gave him the Red Snapper!
by Captain Spackle November 29, 2009

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A red snapper is when a girl gives you a very very tight hangjob and your dick turns red, and your on the verge of cumming, and then she gives you a blowjob and you cum in her mouth almost instantly.
Tim: Dude I tried the red snapper last night with caroline and i blew it in her mouth :P

Jose: Niice dude :P
by Nima/Tk/Jette/Sawyer November 26, 2008

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When A Woman is on her period or menstrual cycle that comes around once a month.
Are u in the mood for some red snapper?
by Onna Goodwon November 25, 2006

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