Plural of boycott; multiple instances of collective refusal to support someone or something as protest, or third-person singular present tense verb.
From Charles C. Boycott's surname, with -s either marking the plural noun or the third-person singular verb form in present tense.
The word 'boycott' emerged so organically from an actual historical event that it became a template—now any name can theoretically become a verb for collective action.
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