know as much about as a hog knows about Sunday

know as much about something as a hog knows about Sunday

Rur. to have no knowledge of something. Don't let Jim make dessert for the picnic. He knows as much about pies as a hog knows about Sunday. I had quite a time changing the tire, since I know as much about cars as a hog knows about Sunday.

Common Names:

Name	Pronounced	Usage
Ballentine	['bæləntain]
Garrett	GER-it, GAR-it	English
Gianna	JAHN-nah (Italian), YAH-nah (Greek)	Italian, Greek
Elfreda	[el'fri:də]
Andre	awn-DRAY	English, African American
Jaime (1)	HIE-me (Spanish), ZHIEM (Portuguese)	Spanish, Portuguese