rib·ald (rĭbəld, rībôld′)
Characterized by or indulging in humor that is vulgar and lewd.
A vulgar, lewdly funny person.
[From Middle English ribaud, ribald person, from Old French, from riber, to be wanton, from Middle High German rīban, to rub, be in heat, copulate, from Old High German; see wer-2 in the Appendix of Indo-European roots.]
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