That stray dog is an ugly customer.
ugly customer
idiomSomeone or something unwelcome or unpleasant.
The security guard had to deal with an ugly customer who refused to leave the store after closing time.
The negotiator realized he was dealing with an ugly customer, a man whose reputation for hostility and stubbornness preceded him in every boardroom.
- 01
beat with the ugly stick
Used to describe someone who is particularly ugly or unattractive.
- 02
fall out of the ugly tree and hit every branch
To become extremely unattractive.
- 03
ugly American
An American government representative, tourist, or businessperson who, in dealing with people of other nations, is haughty, rude, meddlesome, chauvinistic, or jingoistic.
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ugly duckling
A young person who is ugly, but who is expected to become beautiful or handsome as they mature.