Top definition
A misspelling of fluff.
Fluff is a soft, puffy or feathery substance.
Girl: Awwwww, look at all that fluf on that cat!!
by krabbehpatteh May 02, 2018
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2
An insider term for the Boeing 737. Stands for “fat little ugly fucker.”
Derek: Hey, Kasey...I flew on a FLUF from Seattle to Denver last week and finally joined the Mile High Club on the way to the Mile High City!

Kasey: Sweet, man! Someone you knew or a stranger?

Derek: Your mom.

Kasey: Not cool, Bro.
by SeahawksBMX April 12, 2021
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