be (as) ugly as sin
be (as) ugly as sin
To be extremely visually displeasing or unattractive. I wouldn't buy that painting, it's ugly as sin. I heard the date didn't go well and that the guy was as ugly as sin.
See also: sin, ugly
Farlex Dictionary of Idioms.
- (as) ugly as sin
- as ugly as sin
- ugly as sin
- (as) ugly as a toad
- toad
- ugly as a toad
- fugly
- plug-ugly
- pug-ugly
- not a pretty sight