FOP explained

Fop is a pejorative term for a foolish man.

FOP or fop may also refer to:

Science and technology

• Feature-oriented positioning, in scanning microscopy
• Feature-oriented programming, in computer science, software product lines
• Fibrodysplasia ossificans progressiva, a connective tissue disease which can result in muscles fusing into bone
• Formatting Objects Processor, a Java application
• fop herbicides, the aryloxyphenoxypropionate subtype of ACCase inhibitors

Other uses

• The Fairly OddParents, an American television series
• Fellowship of Presbyterians, now The Fellowship Community, a Christian movement in the United States
• Festival of Praise, a music festival in Singapore
• Flowery orange pekoe, a grade of tea leaf
• Fop Smit (1777–1866), Dutch naval architect and shipbuilder
• Fraternal Order of Police, an American police organization
• Fred. Olsen Production, a Norwegian gas and oil company
• Freedom of panorama, a concept in copyright law
• Morris Army Airfield, in Georgia, United States
• FOP grade tea
• Federation of Planets, from Star Trek