I find the concept of COITUS ridiculous
and off-putting.
The Big Bang Theory Season 6, Episode 20
Have you had COITUS with any of them?
The Big Bang Theory Season 9, Episode 9
for after you've had
disappointing COITUS with Penny.
The Big Bang Theory Season 7, Episode 2
COITUS portion
of your birthday festivities.
The Big Bang Theory Season 10, Episode 11
That I have COITUS with her.
The Big Bang Theory Season 9, Episode 11