"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
looking at the little PLUG
where the ashtray used to go?
Breaking Bad Season 5, Episode 11
So let's PLUG in our 9.8 meters
per second squared...
The Big Bang Theory Season 3, Episode 10