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.

Thunder Dumper 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.

thunder dumper by mini izzie July 18, 2010

midwest thunderbumper 

When someone's balls are being tazered while giving a Hot Carl, the result is a passionate hailstorm of streaming poo in the face.

She wasn't sure about Jeff until the first time he delivered a midwest thunderbumper, after which she knew she was really in love.

midwest thunderbumper by midwest thunderbumper September 15, 2009

thunderbumper

How some people say thunderstorm (actual electrical storms; not any of that sexual horse puckey).

The weather forecast for today is cloudy with occasional thunderbumpers.

thunderbumper by Telephony2 October 13, 2025