mental squat 

A brain exercise in which you squat your brain in order to increase the power of your mental thighs, hips, and buttocks.

My brain is getting saggy I'm gonna go do some mental squats before my big exam

mental squat by Unoriginal Pseudonym February 24, 2015

Black Metal Squat 

A type of squat characterized by bent knees in a position similiar to a normal squat, except you play air guitar and wear face paint. More extreme than other squats.

I was thinkin about doing some black metal squats to work out my glutes and praise satan

Black Metal Squat by Cameron82190 June 12, 2007