flap off
(intransitive, slang, informal, United States, almost always with about) To talk excessively, ignorantly and/or wrongly.
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(intransitive, slang, informal, United States, almost always with about) To talk excessively, ignorantly and/or wrongly.
Don't keep flapping off about someone you don't know.
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Regional slang from around the English-speaking world — British, Australian, Irish, Caribbean, Nigerian, Filipino, AAVE, and the hyphenated-English dialects that make the internet sound local.
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Semantically related
- fluff off75%
(slang, transitive) To dismiss or reject; fob off; put off by evasion.
- flap one's gums73%
(idiomatic, colloquial, US) To speak idly; to talk without effect.
- air off73%
(intransitive, slang, dated) To speak loudly.
- flippy-flop71%
(slang, figurative, uncommon) A rapid or unpredictable shift in behavior.
- fluff up70%
(slang) To make a gaffe or blunder; to fuck up.