Definition of quies in US English:

quies

(also quois, quash, quiess)

adjective

services' slang
  • Good; fine, satisfactory. Also as interjection Compare quaiss kitir. Now rare.

Origin

Early 20th century; earliest use found in Walter Downing (1893–1965). From colloquial Arabic (mainly Egyptian) kuwáyyis nice, fine, diminutive of Arabic kayyis fine.

Pronunciation

quies

/kwʌɪs/