Mr. D'Onofrio
would tell me a DIRTY joke.
The Big Bang Theory Season 5, Episode 18
Uh, you're-you're-you're DIRTY.
The Big Bang Theory Season 5, Episode 2
or "the bathroom's too DIRTY,"
The Big Bang Theory Season 7, Episode 4
Well, I didn't even get
to the DIRTY part yet.
The Big Bang Theory Season 11, Episode 11
♪ Dribble, spit, tip scale
Dirty dogma ♪
Breaking Bad Season 4, Episode 2