Now I can quit checking my STOOL.
The Big Bang Theory Season 8, Episode 2
and "Uh-oh, red STOOL from
beets leads to cancer scare."
The Big Bang Theory Season 5, Episode 6
...and offers one to the empty STOOL
next to him.
The Big Bang Theory Season 2, Episode 19
My milk STOOL is complete.
The Big Bang Theory Season 3, Episode 16
Like a milking STOOL,
my case rests on three legs.
The Big Bang Theory Season 3, Episode 16