...I want to have COITUS with Amy.
The Big Bang Theory Season 8, Episode 1
What do the two of you
talk about after the COITUS?
The Big Bang Theory Season 3, Episode 17
You're kidding! What kind of maniacs
have COITUS in someone else's bedroom?
The Big Bang Theory Season 9, Episode 16
She has COITUS one time,
suddenly she's Gloria Steinem.
The Big Bang Theory Season 10, Episode 5
...and naked bodies contorted
in the sweet agony of COITUS.
The Big Bang Theory Season 1, Episode 13