defined as the initial act of scoping out your restroom-stall choices. a person causally glances down at floor level, hoping to avoid an embarrassing and unwarranted entry into an occupied latrine.
"man, why don't people lock the stalls? i did a footcheck and thought it was empty, but when i opened the stall, i saw some guy in mid-wipe."
When you squat down in a public bathroom so you can check that gap under the door for feet, to learn whether or not a certain stall is empty
I wasn't sure whether the stall was occupied, so I casually performed a foot check.