Hey girl, what's going on tonight.. You want to have a naked thumb war?
by wafflebitch January 1, 2018
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When a woman has one man fist her vagina and another fist her ass and they have a thumb war inside of her.
Jeff: Dude, Molly's so loose you can do a Taiwanese Thumb War with her.

Dan: That's grody.
by Johnny Five-O January 25, 2012
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Sexual act involving masturbating a girl, then having hand fall into the vagina without much effort. Man then begins to make thumb war motions inside girl. Works best on a loose girl.
I was totally getting it on with Darcy, and I put my hand down there, but it was a total one man thumb war not even a minute in.
by Kegan Godbey August 16, 2005
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I declare a thumb war is the phrase used when 2 people decide to have their thumbs go to war.
1,2,3,4, I declare a thumb war. 5,6,7,8, try to keep your thumb straight.
by Puppybcm February 12, 2023
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Verb. Used to define when two men sit down at the same time while making a thumbs up gesture on the seat next to them, proceeding to insert their thumbs up the other individuals rectal cavity.
John: hey you wanna play thumb wars while we watch house hunters?

Joe: yeah I'd love to but only if you spit on it first.
by Yee Olde Jew February 20, 2022
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Two males thumb war and the loser gets fucked in the ass
Me and john played extreme thumb war last night, man it sucks to lose
by Fortnite>women February 13, 2018
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