Oh, yes. In the world of emoticons,
I was COLON, capital D.
The Big Bang Theory Season 3, Episode 1
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
Probably fat-free
and good for your COLON.
The Big Bang Theory Season 7, Episode 23
He just went COLON, capital O.
The Big Bang Theory Season 3, Episode 1