The act known in many different and diverse cultures. Consisting of ejaculating onto one’s own stomach and rubing it in as if it were a moisturizer instead of cleaning it off.
Tyler: pass the Kleenex, I busted a fat nut.
Mitchell: Ew who uses Kleenex, try the Rub Cum Stomach.
Tyler: Ok, *rubs in cum*
by Mitchells Gay March 6, 2018
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