Use "blow the gaff" in a sentence
1. He's a good bloke - he wouldn't blow the gaff on us.
2. Don't blow the gaff on us about putting the rat in his desk.
3. They killed Green because he was about to blow the gaff on their drug dealing.
1. He's a good bloke - he wouldn't blow the gaff on us.
2. Don't blow the gaff on us about putting the rat in his desk.
3. They killed Green because he was about to blow the gaff on their drug dealing.