pickblow the gaff . blow the gaff {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. Categories: add yours verb Source: A Dictionary of American Idioms 'blow the gaff' on video MEGHAN PLAYED US ALL! GEORGE CLOONEY BLOW THE GAFF MEG USED HARRY'S WEDDING TO CONNECT WITH CELEBS Blow The Gaff. How to pronounce the english word Blow The Gaff .Start with B. Learn from me. Meghan's Mask 'SLIPPED' After Sister blow The Gaff On Duchess As 'Jealous Of Kate Middleton' Kate 'BLOW THE GAFF' Over Meghan Claims As Duchess TURNS TO Brother To 'Not To Bother William' sort: relevance, mode: exact match, q: "blow the gaff", maxResults: 4, videoEmbeddable: true, videoSyndicated: true, safeSearch: strict, type: video Subscribe to: American IdiomsEnglish Slang Post my comment