blow the gaff

(British old-fashioned, informal)

to cause trouble for someone by letting other people know something that they were trying to keep secret (often + on ) They killed Green because he was about to blow the gaff on their drug dealing.

Common Names:

Name	Pronounced	Usage
Mirica	-	Croatian
Case	[keis]
Rivka	-	Hebrew
Biggs	[bigz]
Hades	HAY-deez (English)	Greek Mythology (Latinized)
Liesl	-	German