{v. phr.} To open one's mouth to reveal a secret. * /When Al cheated on his wife, his younger brother blew the gaff on him./
BLOW THE GAFF
Meaning of BLOW THE GAFF in English
Dictionary of English idioms . Словарь английских идиом. 2012
{v. phr.} To open one's mouth to reveal a secret. * /When Al cheated on his wife, his younger brother blew the gaff on him./
Dictionary of English idioms . Словарь английских идиом. 2012