Plug it with rocks and ice.
Flood it and let it freeze.
Game of Thrones Season 4, Episode 7
You get to pull the PLUG on him too.
The Big Bang Theory Season 4, Episode 24
I'm not finishing your sentence.
You pulled the PLUG on my funk.
The Big Bang Theory Season 6, Episode 6
Has your mucus PLUG popped out?
The Big Bang Theory Season 11, Episode 16
"mucus PLUG" again.
The Big Bang Theory Season 11, Episode 16