To squat down like a sumo wrestler to separate your sweaty ball sack from your thighs, after sitting with your legs closed for a long period of time.
Marty - Man, after driving for hours my balls got stuck to my thighs causing me to "sumo squat".

Anthony - LOLOLOLOL!

An Example of a Sumo Squat:
by Teh Asian One September 17, 2009
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