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
Hovhannes	-	Armenian
Campbell	KAM-bəl	Scottish
Tenney	-	Medieval English
Nicole	[ni'kəul]
Jabril	-	Arabic
Margarida	mar-ga-REE-də (Portuguese)	Portuguese, Galician, Catalan, Occitan