Definition of parleyvoo in English:

parleyvoo

noun

informal, humorous, derogatory
  • The French language; (especially) French as studied, spoken, or understood by an English person. Formerly also in plural: French utterances or talk.

adjective

informal, humorous, derogatory
  • French; foreign. Now rare.

verb

informal, humorous, derogatory
  • no object To speak French; to speak a foreign language; (more generally) to palaver, chat. Also with object: to talk to or address in French; to say in French.

Origin

Mid 18th century; earliest use found in Samuel Foote (bap. 1721, d. 1777), actor and playwright. From French parlez-vous.

Pronunciation

parleyvoo

/ˌpɑːlɪˈvuː/