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Something I started seeing on insta recently, meaning kindly follow back.
Laquisha: hi I'm an attention seeking whore and I just followed you, KFB! :)
by JONESYGRAM August 13, 2014
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Korean Fuck Boy

A male of Korean-descent, usually sporting a fauxhawk or comb-over haircut with excessive amounts of hair gel and dye, graphic tank tops, and tattoos with bible verses or Chinese characters, who spends most of his time lifting, playing online computer games, and hitting on females at bars that serve soju.
Sylvia: "Look at that KFB over there trying to get with Cindy. He's so muscular, though, and I like his haircut. Oo look at that tattoo on his arm - wow, he's such a douche. A cute douche, though. Maybe I should go talk to him?"
via giphy
by koreanfuckboy September 29, 2017
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Kill It, Fuck It, Burn It
Bit of an in joke in our work office between helpdesk members. Nice solution to some problems.
Hardware is annoying you and your getting pissed off, rather than saying for fucks sake or similar just use KFB instead.
by PUGTON October 15, 2013
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Stands for Ka-friggin Boom!! A term used in the gasoline, chemical or fire safety industries for an explosion or potential explosion that is often easily preventable.
Don't forget to check for fumes before using that saw near that tank or we'll have a KFB on our hands.
by fetmeister May 10, 2009
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First word: ker.
Second word: blooey
When something explodes.
Don't strike that match or the whole thing will go KFB.
by t-dot February 10, 2005
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