Thunder Dumper

Sometimes commonly referred to as a "badonka donk" a thunder dumper is a tremendously luscious gluteus maximus.

Man check out that thunder dumper dawg.

by smugglescoke January 7, 2020

thunder dumper

When a gay person takes a huge enjoyable shit in a small bathroom while on the phone with someone.

Why is your voice echoing? oh, im taking a thunder dumper.

by mini izzie July 18, 2010