
That is so COOL.Absolutely not.
The Big Bang Theory Season 12, Episode 18

♪ The Earth began to COOL
The Big Bang Theory Season 12, Episode 24

Mass!
That's a COOL nickname.
The Big Bang Theory Season 5, Episode 15

Aw. It's so cute when you use
the word "COOL" wrong.
The Big Bang Theory Season 6, Episode 22