The act of behaving like a fop; acting in a vain, foolish way about one's appearance.
Present participle of fop used as a verb. This converts the noun fop into a verb through adding -ing, a process called nominalization reversal.
Using 'fop' as a verb (fopping) is relatively rare, which shows how some nouns resist becoming verbs even though English usually allows this—fop seems to have been stubborn about staying a noun.
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