flap off
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
To talk excessively, ignorantly and/or wrongly.
Register: informal, slang
Where it’s used:
Used
American English
Examples
Don't keep flapping off about someone you don't know.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “flap off” mean?
To talk excessively, ignorantly and/or wrongly.
Is “flap off” formal or informal?
flap off is generally informal, slang.