...and I'm having regular INTERCOURSE
with your daughter.
The Big Bang Theory Season 4, Episode 5
You mean, sexual INTERCOURSE?
The Big Bang Theory Season 4, Episode 23
I must say, ever since you started
having regular INTERCOURSE...
The Big Bang Theory Season 4, Episode 22
...by the fact that I haven't had
INTERCOURSE with him in eight years.
The Big Bang Theory Season 3, Episode 11
...his father and I only had INTERCOURSE
for the purposes of reproduction.
The Big Bang Theory Season 2, Episode 15