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.
Joe: yeah I'd love to but only if you spit on it first.
by Yee Olde Jew February 19, 2022
A Thumb Promise is a promise stronger than a pinky promise. It shall never be broken, and if so, then the person who broke it may never be trusted again. Crossing your fingers does not invalidate a thumb promise.
by syylent June 8, 2024
by AskPhantoms June 4, 2024
by Rzzlations! April 10, 2022
The act of, rather than sticking your thumb in her ass while you're fucking her, you pull out, shove it in her ass, and plug her vagina with your thumb
by Boost_and_chill May 20, 2021
by dtm person July 16, 2022
Tell someone who isn't able to spell correctly on their mobile device to put 2 thumbs up thats the reason they cant their 2 thumbs
by Spelling teacher August 27, 2022