the term fyb means Fuck Ya Bitches.
whoooo babay! In your face! FYB!
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Fill Your Boots - inviting someone to go ahead and do something
"Do you mind if I eat the last of the cake?"
"FYB, man."
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Fuck Yeah Bitch! An expression used when something is really exciting, or awesome.
"I'm so glad it's Friday, I'm going to get so drunk tonight"
"FYB!"
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"Uncuff ya chick brah, its FYB"
"Yo bitch is choosin, jez FYB!!"
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