- a hole in a bath, sink, etc. where the water flows away and into which a plug fits Topics Houses and homesc2
Idioms
(go) down the plughole (British English)
(also (go) down the drain British and North American English)
- (informal) (to be) wasted; (to get) very much worse
- It's just money down the plughole, you know.
- Safety standards have gone down the plughole.
Check pronunciation:
plughole