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
GyÖRgyi	DYUUR-dyee	Hungarian
Anani	-	Biblical
Petr	-	Czech
Gerlind	-	Ancient Germanic
Alecock	['ælikɔk]
Meshullam	-	Biblical, Hebrew, Biblical Hebrew