Someone who gets heated over a post and when cornered, will threaten to DM an unsolicited picture of his/her butthole.
R-"Betch who tf posts something like that, wanna see my butthole??? I'll dm u it"

J-"and she will forever live on in our minds as butthole girl"

A-"remember that girl who dm'd everyone?"
B-" who? Oh! Yeah, you mean butthole girl!"
by Jadanightt January 7, 2021
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