The members of one's immediate family, especially one's parents / (US) People in general; everybody or anybody. / (US, slang, rare, southern Louisiana) The police.

plural of folk

(California) Late 19th and early 20th century migrants to California from Iowa and other parts of the Midwestern United States.

A surname.

plural of Folk

Of or pertaining to the inhabitants of a land, their culture, tradition, or history. / Of or pertaining to common people as opposed to ruling classes or elites.

(archaic) A grouping of smaller peoples or tribes as a nation. / The inhabitants of a region, especially the native inhabitants. / (plural only, plural: folks) One’s relatives, especially one’s parents.

A surname.

(informal) One's elderly relations. / (informal) The old people of a particular place or social situation. / (informal) Senior citizens.

(idiomatic) Directs attention to immediately preceding failed attempt at humor.