fluff up
In real, traceable use. Part of the curated seed collection; community review is coming.
Sense 1
Meaning · English
To plump up.
Where it’s used:
Used
American English
Examples
Fluff up the pillows to get the bed ready for guests.
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).
Sense 2
Meaning · English
To make a gaffe or blunder; to fuck up.
Register: slang
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “fluff up” mean?
To plump up.
Is “fluff up” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.