know one’s ass from a hole in the ground

tv. to be knowledgeable; to be alert and effective. (Usually objectionable.) That stupid son of a bitch doesn’t know his ass from a hole in the ground.

Common Names:

Name	Pronounced	Usage
Vlasi	-	Russian
Tomomi	to-mo-mee	Japanese
Margreet	mahr-KHRAYT (Dutch)	Limburgish, Dutch
Keisha	KEE-shə	African American
Placid	PLA-sid	English (Rare)
Anastasija	-	Macedonian, Serbian