lewd vs raw dog

lewd

verb
  • To express lust; to behave in a lewd manner. 

noun
  • A sexually suggestive image, particularly one which does not involve full nudity. 

adj
  • Lascivious, sexually promiscuous, rude. 

raw dog

verb
  • To have sex without a condom; to bareback. 

  • To do an activity without protection or intermediary. 

adv
  • Without a condom; bareback. 

How often have the words lewd and raw dog occurred in a corpus of books? (source: Google Ngram Viewer )