nouninformal, derogatory, historical
An odd or ridiculous person or thing; (treated as plural) people or things of this kind. Also as interjection: expressing incredulity or contempt.
Late 18th century; earliest use found in Festival of Momus. Origin uncertain; perhaps a variant of quiz, although the reverse could also be the case, or the two words could be parallel developments from a common (unidentified) source.