An inspection of a public restroom stall where one looks underneath the door to see if someones feet/legs are showing before entering the stall.
Dude, go use that stall over there." "Hell no, I just ran a positive stall-check and some douche in there is wearing crocs.

"I forgot to do a stall-check in the restroom and walked in on some guy taking a dump."
by yahhh2forever October 24, 2010
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