Plug it with rocks and ice.
Flood it and let it freeze.
Game of Thrones Season 4, Episode 7
Any chance we could PLUG it in
to the potato?
The Big Bang Theory Season 6, Episode 22
looking at the little PLUG
where the ashtray used to go?
Breaking Bad Season 5, Episode 11
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