
So let's PLUG in our 9.8 meters
per second squared...
The Big Bang Theory Season 3, Episode 10

"mucus PLUG" again.
The Big Bang Theory Season 11, Episode 16

You get to pull the PLUG on him too.
The Big Bang Theory Season 4, Episode 24

Has your mucus PLUG popped out?
The Big Bang Theory Season 11, Episode 16

Any chance we could PLUG it in
to the potato?
The Big Bang Theory Season 6, Episode 22