c.1240, "a rogue, ruffian, rascall, scoundrell, varlet, filthie fellow" [Cotgrave], from O.Fr.
ribalt, of uncertain origin, perhaps from
riber "be wanton, sleep around," from a Gmc. source (cf. O.H.G.
riban "be wanton," lit. "to rub," possibly from the common euphemistic use of "rub" words to mean "have sex"), from P.Gmc.
*wribanan, from PIE base
*wer- "to turn, bend" (see
versus). The adj. is attested from 1500, from the noun.
Ribaldry is recorded from c.1300.