8 definitions by Middle aged middle white male

When you're fucking a chick minding your own business and a bitch sticks her thumb up your ass, so you slap the shit out of her and throw her nasty ass to the curb.
"That girl's hot but she tried to give me butt thumb,and now I might be gay"
by Middle aged middle white male November 8, 2018
Get the Butt thumb mug.