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Pronounced Fur-Dumb
1. Plural: a group of ferda's, or multiple guys who are ferda/FTB
2. Verb: "for them"; to do something for them, FTB or for a/the group of ferdas
1. "we are so ferdum ."
2. Mark: "did you see bill danger can himself?? He did that ferdum."
by T_F_K July 24, 2016
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