Essentially mewing but with your buttocks. You squeeze your glutes at all times to shape it into a plump baby pumpkin carved from marble. Many clenchmaxxers have expressed feeling like they're in a higher plane of existance from performing this, not unlike gooning.
"Oh, you've been mewing, ropemaxxing and jelqing for the last two years? But you haven't started clenchmaxxing yet? Never gonna make it"
Flexing your buttcheeks at all time to both sculpt them into perfect marble-like bowling balls as well as boost your testosterone.
"Are you gooning right now?"
"Of course, but right now I'm really clenchmaxxing like crazy, you gotta do it if you ever want to make it bro"
Clenchmaxxing refers to the process and repetition of one clenching their jaw to enhance facial structure / looks.
Person 1 (male): I’ve been clenchmaxxing for weeks now, this is so OP.
Person 2 (female): Holy shit you are so fucking hot now.
Where you clench your ass cheeks over a long period of time to obtain a level 10 gyatt.
Dude, your ass is huge! Have you been clenchmaxxing??!?!
The squeezing or flexing of one's glutes to exercise and tone them to their maximum natural potential
He was Clenchmaxxing all math class, look at that ass!
He sucks at Clenchmaxxing, hes so flat
Refers to the practice of clenching one's buttocks to enhance male orgasm
Dont forget to clenchmaxxing before gooning after your edging session
Hayden is THE sigma clenchmaxxer in our high school he knows everything there is about clenchmaxxing.