A fork of Rural Dictionary
vigorous bumping and grinding of at least two vaginas
i bet those chicks just got done stumpgrinding
(Noun): A woman on the dance floor that thrives on grinding her bottom(grinder) on male genetailia (stump). Particularly late in the night when inhibitions have been lost, drinks consumed, and standards have been dropped.
Upon arrival to the club, the boys sought out stumpgrinders on the dance floor.
As drinks were consumed, women turned from prude high school teachers, college students, and office workers into stumpgrinders.
This stumpgrinder keeps humping my leg but I can't feel anything sticking out.