HOWARD: If I push any harder,
I'm gonna give birth to my COLON.
The Big Bang Theory Season 1, Episode 14
As long as it doesn't originate
in a Russian man's COLON.
The Big Bang Theory Season 8, Episode 22
...a clean COLON is just one less thing
to worry about.
The Big Bang Theory Season 1, Episode 1
A COLON calling card, if you will.
The Big Bang Theory Season 6, Episode 9
He just went COLON, capital O.
The Big Bang Theory Season 3, Episode 1