When a close friend begins acting like a poser. This is an action to be performed strictly in private or online. Clinch Maxxing is frowned upon in most circles.
To say, "I played OG Fortnite", when you obviously didn't is the ultimate Clinch Maxxing Move.
When one has redlined their edge, and is deep into the euphoric gooning state, you begin to squeeze the base of your bird until the mushroom reaches maximum plume. You have successfully clenchmaxxed when the post nut clarity brings you down to earth and you realize now you have to patch the gaping hole in your drywall from your atomic chode dumper.
Friend1: Chadwick is crashing on my couch dude.
Friend2: oh no why?
Friend1: bruv was gooning so hard he lost his mind and began Clenchmaxing in his apartment.
An exercise of clenching your glutes so hard that a males pelvis area increases in size, It could potentially lead to making your shaft the size of hulks forearm