Definition of fop noun from the Oxford Advanced Learner's Dictionary

 

fop

 noun
noun
BrE BrE//fɒp//
 
; NAmE NAmE//fɑːp//
 
(old-fashioned)
 
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a man who is too interested in his clothes and the way he looks Word Origin late Middle English (in the sense ‘fool’): perhaps related to fob in the sense fob somebody off.
See the Oxford Advanced American Dictionary entry: fop