The word is a conjunction of Fat Dumb Lesbian Bitch. The female in question may also wear Slutty short pink pants as well as see through tops but it is a total turn off for men and women alike because she is soooooo fat and wears alot of makes up. They also like to Model there Lives on the hit TV series Jersey Shore. They may also only have one to two friends and is most likely hated by all over persons.
Look at that FDLB over there that's soooooo gross ewwwwwwww. dont you just want to punch the bitch.
作者 IhateFatBitchs 2011年11月02日
Top Definition

Stands for Fierce Duck Lips, Bro. Often used as a comment towards the 'duck face' pose, popularized in early 21st century digital photos.
Tom: Hey, nice new profile pic.
Kevin: Right? it's my duckface pose.
Kevin: Thanks, it's all in the eyes.
作者 copperiodide 2012年6月25日
An acronym that stand for Fat, Dumb, Lazy, Bitch.
Me: Is she going to do anything to day.
Coworker: No she is a F.D.L.B. I hope the boss fires her.
作者 krusty's komedy klassics 2010年12月11日



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