The person or people you had sex with that you'd never ever admit to.
Bill : Hey Dave who were those fat chicks you left with last night?

Dave : *thinks to himself* UNMENTIONABLES!
by JimmyMac March 17, 2006
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another name for the webcomic "homestuck" that was created by andrew hussie on april 13, 2009
the unmentionable webcomic is the name we use for it as not to summon them
by soul overrun March 29, 2021
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Someone with low social standard- very fake. Can be described as stoopid hoes, and are snakes to their “friends”. They’re generally popular, but have no close friends. Often boast drug use and having several affairs. Popular names for such people are Destiny, Jensyn, Zoe(y), Margaret (Maggie), A(u)ri
I saw some unmentionables in the Walmart parking lot smoking weed with friends
by Pseudonymous Bytch August 20, 2019
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Performing "The Unthinkable," then you put your dirty wang in her mouth.
See above for "The Unmentionable."
by Gargamel2 August 14, 2008
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