
Whenever I see a bucket of DIRTY water,
I still hear "Lady in Red."
The Big Bang Theory Season 8, Episode 8

Just realized I've never
actually seen your hands DIRTY.
The Big Bang Theory Season 12, Episode 21

Okay, that's just
the plot for Dirty Dancing.
The Big Bang Theory Season 7, Episode 6

I... I just... I tried being good at sports,
but I hated getting DIRTY.
The Big Bang Theory Season 2, Episode 15

You're a-a DIRTY...
The Big Bang Theory Season 5, Episode 2