a hole card

(American)

a secret advantage that is ready to use when you need it She still had one hole card to get out of police custody - a phone call to an influential friend.

Common Names:

Name	Pronounced	Usage
Brita	BRIT-ah (Swedish), BREE-tah (Finnish)	Swedish, Norwegian, Danish, Finnish
Inzhu	-	Kazakh
Dorottya	-	Hungarian
Khazhak	-	Armenian
Galia	-	Hebrew
Bonifacy	baw-nee-FAH-tsi	Polish