
He's not going to have INTERCOURSE
with Penny.
The Big Bang Theory Season 2, Episode 4

If you want to have INTERCOURSE with that
girl, find out what cologne her father wore.
The Big Bang Theory Season 2, Episode 15

Sheldon and I engaged in INTERCOURSE.
The Big Bang Theory Season 4, Episode 20

...by the fact that I haven't had
INTERCOURSE with him in eight years.
The Big Bang Theory Season 3, Episode 11

Some what?
Oh, yes, some sexual INTERCOURSE.
The Big Bang Theory Season 2, Episode 3