
You didn't say they couldn't pass through
my COLON first.
The Big Bang Theory Season 8, Episode 18

Probably fat-free
and good for your COLON.
The Big Bang Theory Season 7, Episode 23

HOWARD: If I push any harder,
I'm gonna give birth to my COLON.
The Big Bang Theory Season 1, Episode 14

A COLON calling card, if you will.
The Big Bang Theory Season 6, Episode 9

...a clean COLON is just one less thing
to worry about.
The Big Bang Theory Season 1, Episode 1