Someone who has too many friends, and is phony af. They always friend zone there friends. Flirt with everyone. Bad mouth friends all the time. They always say they don't like someone and then go behind backs and hang out with that person. An overall BITCH.
The kid who calls everyone there best friend and flirts with everyone is a huge flut.
by DEEZNUTS69ONYOURCHIN December 5, 2016
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A common word used to describe a scene, especially in fanfiction or roleplay, that combines fluff and smut--aka, sappy and cute emotional scene that includes with sexual content.
Yea, I rped some flut with her yesterday! Our characters FINALLY slept together! <3
by Dotted Line July 15, 2005
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A new friend whom you kindly introduce to your friends and they ditch you straight away and totally steal your friends. Suddenly they are the coolest kid on the block and no-one remembers you.

Derived from social butterfly.
oh she is such a flut!" "I met her two weeks ago and now she's totally flutting it up with the friend group
by nigel nofriends January 17, 2011
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Travis: Ava is such a Flut, she's always running around with some new person. However she is a good friend.
by J-Gill1995 December 2, 2012
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A flat of sluts. Plural similar to group or 'flock'.
You know when you go back to a after party and there are 5 sluts that live in the house all after cock. That's a FLUT.
by Bondi Legend September 21, 2013
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1. Someone who claims to be a slut for food or a food slut

2. Someone who likes to eat lots of food, regardless if they are fat or skinny
Amanda: All this food has to be eaten by today. God, I'm such a flut.
by Merry Pippin October 30, 2013
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