that's one on you
that's one on you
That is a mistake or joke that makes you look rather foolish. The guy down the road said it would clean your engine and charged you double for it? But that's just normal gasoline. I guess that's one on you. I can't believe you fell for that—that's one on you!
See also: on, one
Farlex Dictionary of Idioms.
- a fool and his money are soon parted
- fool and his money are soon parted
- fool and his money are soon parted, a
- parted
- cost (someone) dearly
- dearly
- doofus
- (there's) no fool like an old fool
- be (not) (one's) bag
- experience is the teacher of fools