ugly customer

An ill-natured or vicious individual, as in Watch out for Charlie when he's drinking; he can be an ugly customer. This phrase uses ugly in the sense of "mean" or "dangerous." [c. 1800]

Common Names:

Name	Pronounced	Usage
Pascal	pas-KAHL (French), pahs-KAHL (Dutch)	French, German, Dutch
MÜNİRe	-	Turkish
Karel	KAH-rəl (Dutch), KAH-rel (Czech)	Dutch, Czech, Slovene
Lahja	LAHH-yah	Finnish
Yiftach	-	Biblical Hebrew
Sarah	SER-ə (English), SAR-ə (English), ZAH-rah (German)	English, French, German, Hebrew, Arabic, Biblical, Biblical Hebrew