
...because you're anticipating COITUS?
The Big Bang Theory Season 1, Episode 1

...but I was about to insinuate that
I had COITUS with Raj's mother for a dollar.
The Big Bang Theory Season 6, Episode 20

That I have COITUS with her.
The Big Bang Theory Season 9, Episode 11

I find the concept of COITUS ridiculous
and off-putting.
The Big Bang Theory Season 6, Episode 20

for after you've had
disappointing COITUS with Penny.
The Big Bang Theory Season 7, Episode 2