Plug it with rocks and ice.
Flood it and let it freeze.
Game of Thrones Season 4, Episode 7
looking at the little PLUG
where the ashtray used to go?
Breaking Bad Season 5, Episode 11
Has your mucus PLUG popped out?
The Big Bang Theory Season 11, Episode 16
I'm not finishing your sentence.
You pulled the PLUG on my funk.
The Big Bang Theory Season 6, Episode 6
"mucus PLUG" again.
The Big Bang Theory Season 11, Episode 16