Clenching for extended periods of time
dude 1: wanna fuck?
dude 2: fuck no i been clenchmaxxing for 3 days straight
The act of clenching your buttcheeks for a period of up to one week, holding in poop in the process, to achieve a more desirable buttocks shape
Peter thinks clenchmaxxing will prevent him from needing a BBL!
The act of clenching your ass as a workout to make that shi fat asf
Boyfriend: Damn it’s looking fat you been working out?
Girlfriend: Nah I’ve just been clenchmaxxing
When you tighten your ass to achieve the tightest ass.
-Hey did you see James? His face looked so red!
-Yeah it's because he was clenchmaxxing, he is competing for the tightest ass award!
-Oh okay.