toilet stalling
To stall for time by staying in the toilet stall after finishing your business, until other people in the bathroom have left, to avoid the awkward encounter.
Toilet stalling: "I was taking a crap, and then I heard the boss come in, so I toilet-stalled until he left."
toilet stall roulette
When you walk into a public restroom and someone else is walking out and you have to try and guess which stall they used so you can choose another.
-What took you so long?
-I walked in the bathroom as a fat guy walked out so I had to play toilet stall roulette. I lost. The seat was warm.
-I walked in the bathroom as a fat guy walked out so I had to play toilet stall roulette. I lost. The seat was warm.
School toilet stalls
The most likely spot to be see a scene of two gay guys/girls having sex down at the bottom of the toilet.
I went to the School toilet stalls to find a new sex buddy.