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
Aboubacar	-	Western African
CÁNdido	KAHN-dhee-dho	Spanish
Golnaz	-	Persian
Archippos	-	Ancient Greek
Oluchi	-	Western African, Igbo
Bermet	-	Kyrgyz