butt clench 

Excercise where you clench your butt repeatidly. If done regularly and very OFTEN it results in a very fine firm ass!

I did thousands of butt clenches a day for this sexy tight ass!

butt clench by Nallis December 9, 2008

Clench Butt 

The most attractive form of a male butt.

Becky: Wow, Andrews butt is so nice!
Erica: Yeah, he has a clench butt.

Clench Butt by Onebadcookie November 14, 2018

Butt Clencher 

A suspenseful situation, typically referring to a TV show, movie, or book.

The season finale of The Walking Dead was a major Butt Clencher!

Butt Clencher by madambluhhh April 13, 2015

Butt-clenching

When something makes you so nervous or scared, it makes your butt clench

It was butt-clenching watching Derek Fisher shoot a 3-pointer with .4 seconds left.

Butt-clenching by madhotfyre November 1, 2017

butt clinching 

Tightness of your ass. Can be used when playing a game and either you are winning or losing.

I was butt clinching my ass while playing this game.

butt clinching by eaudetoilet January 2, 2017

National Butt Clenching Day

For the ones that like to clench. Clench all day long on the 17th of March

Bro nice clench can’t wait for the 17th Because that’s national butt clenching day !

National Butt Clenching Day by realdeffr February 27, 2020

Butt Clencher 

An awkward situation

When I saw the hangover with my dad it was a real BC (butt clencher)

Butt Clencher by John Thelampguy February 22, 2011