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When your a non-swearer and you need to cover up for the F word
White guy: *rapping Eminem* Will Smith don't gotta cus in his raps to sell records; well I do so fluff him and fluff you to!
Friends: Dude wtf, did you just say fluff?
Fluff by Limeage October 14, 2015
1. Marshmallow, in a jar.
2. Part of the ingredients in Jane Rizzoli's favorite type of sandwich fluffernutter
Maura: What is this white substance?
Jane: Fluff.
Maura: Light, downy particles of cotton?
Jane: It's marshmallow, and the brown substance is called peanut butter. It's ground up, heavy, oily particles of peanuts.
Fluff by msanimanga August 3, 2011
"Fluff" is a term for acid that is made by the Grateful Dead Family, also called "family fluff."

Usually decent, sometimes good.

Depends on your location, but you should never pay more than $10 / hit...
"Hey what's up"
"What have you got lately?"
"I got the regular and I got some doses, family fluff"
"Oh word?"
fluff by Rinn17 February 11, 2010
"Fluff you are the most magical of all the beings"
Makes sense when said by someone referred to as a snail
Fluff by 🐌♥️🐻 November 13, 2019
Mary let go of a huge fluff in the staff meeting today.
fluff by GarretK November 14, 2016
An abbreviation for "marshmallow fluff," a gooey white substance mainly used as a sandwich spread. Can also be used in place of marshmallows for baking purposes. Often made into a contraction with peanut butter as "fluffernutter," a combination of the two sandwich spreads on bread.
Hey, pass me that jar of fluff, Karen!
fluff by aytheist April 16, 2004