I cannot believe
you've never seen Grease.
The Big Bang Theory Season 5, Episode 17
I'm just gonna take my bacon
GREASE and slide over there.
The Big Bang Theory Season 5, Episode 6
Look, I have GREASE smudge on my hand
and I'm okay with it.
The Big Bang Theory Season 10, Episode 15
I sat there the whole time
that we were watching "Grease,"
The Big Bang Theory Season 5, Episode 17
Squeaky wheel gets the GREASE?
The Big Bang Theory Season 8, Episode 18