anything that you keep (whether stolen or given to you) from someone's house after you've slept with them.
Laura didn't really like doing it with Chip so much, but she did nab a copy of Time Magazine with Mick Jagger on it from his house as a screwvenir.
by Laura September 14, 2003
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Rhymes with (souvenir); This is something, a personal item, that you take with you after a night of wild lovemakin', after a booty call, or a one-night-stand. You take these things without the original owners' knowledge. It could be a t-shirt, cd, lighter, hairbrush, etc., that belonged to the person you just hooked up with. Sort of like a 'souvenir' of the encounter.
"How do you like this cool candle holder? It's a screwvenir from the other night at Todd's house."
by Rhonda Q September 19, 2005
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Anything stolen from a one night stand. Whether it be a used condom or a blender.
After Tim and I fucked like bunnies and past out, I screwvenired his entire collection of lawn gnomes.
by Klosedkasket September 15, 2003
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Any exorbitantly overpriced and particularly low-quality memento, keepsake, or reminder sold by people in tiny little shacks in "touristy" destinations.
"My shitty $3 Bahamas T-shirt was only $28... ON SALE! And this $1 cheap plastic mug shaped like a coconut was a real bargain at only $17!"

"...wow....talk about getting a screwvenir..."
by ruggedzero March 4, 2019
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Lice you catch from screwing someone.
"I fucked that chic and she left screwvenirs all over my dick."
by CrazyJay April 20, 2009
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