I don't know, maybe it's the fumes
from the URINAL cakes,
The Big Bang Theory Season 10, Episode 8
At least go with me so you can
open the door and flush the URINAL.
The Big Bang Theory Season 4, Episode 23
I tend to stand too close
to the URINAL, so...
The Big Bang Theory Season 5, Episode 21
Yeah, I can consider a place
America's URINAL cake
The Big Bang Theory Season 9, Episode 13
...about the time you dropped
his iPhone in a URINAL?
The Big Bang Theory Season 4, Episode 6