(as) useless as an ashtray on a motorbike
(as) useless as an ashtray on a motorbike
Utterly ineffectual or unnecessary. Primarily heard in Australia. Hey, thanks for the broken wrench—it's as useless as an ashtray on a motorbike. I know next to nothing about computers, so I'd be useless as an ashtray on a motorbike trying to figure out what's wrong with your laptop.
See also: on, useless
Farlex Dictionary of Idioms.
- useless
- (as) useless as tits on a bull
- (as) useful as tits on a bull
- (as) worthless as tits on a boar (hog)
- (as) useless as tits on a nun
- nun
- (as) useless as tits on a boar hog
- tits on a boar hog
- a bag-of-spanners face
- a face like a bag of spanners