Plural of dummkopf; multiple stupid or foolish people.
The plural form of 'dummkopf,' following German plural conventions (though in English usage, '-s' plurals are often added regardless of origin).
When English borrows words, we often ignore the original plural rules—German would use 'Dummköpfe,' but English speakers just add '-s'! This shows how borrowed words get 'Anglicized' over time.
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