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this is the purple/brown like color your thumb turns into after over exerting it into someone's anus (including your own), causing it to slightly become bruised also
Dude, can I borrow your gloves for today? me and Neil were playing hitchhiker sex all night and now I got Plum Thumb from it being up his ass for so long....
by 777geez November 20, 2015
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Jul 1 Word of the Day
sending two texts in a row without a reply inbetween.
Rachel: whats up?
Tessa: not to much! hbu?
Tessa: dude, i'm so bored.
Rachel: stop double texting me.
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