Meaning of go off on one | Babel Free
Definitions
To launch into an animated diatribe, or passionate description or explanation of something.
British, colloquial
Examples
“I barely mentioned the band's name before he went off on one about how commercial the top forty is these days.”
“As far as I was concerned, we had a deal – she never went off on one about 'that's not a skirt it's a belt,' and I never went out dressed like a stripper.”
CEFR level
C2
Mastery
This word is part of the CEFR C2 vocabulary — mastery level.
This word is part of the CEFR C2 vocabulary — mastery level.