butt duster

A friend with benefits who you only call for anal because they're so good at it.

"I haven't had it in the back end for a few months, let me call my butt duster".

by SoulessSolace February 21, 2015

Butt Duster

When a guy smacks a person's ass with his member and then relieves himself on it.

He bent her over. Wacked it on her ass and then got off calling it a Butt Duster.

by BubblesButt December 5, 2023