Now I can quit checking my STOOL.
The Big Bang Theory Season 8, Episode 2
My milk STOOL is complete.
The Big Bang Theory Season 3, Episode 16
a bar STOOL dipped in cholera?
The Big Bang Theory Season 5, Episode 2
...that it is possible
for the matter above this STOOL...
The Big Bang Theory Season 2, Episode 19
...and offers one to the empty STOOL
next to him.
The Big Bang Theory Season 2, Episode 19