get into someone's pants

Verb

get into someone's pants (third-person singular simple present gets into someone's pants, present participle getting into someone's pants, simple past got into someone's pants, past participle (UK) got into someone's pants or (US) gotten into someone's pants)

1. (colloquial, idiomatic) To have sex with someone, especially for the first time.
   • Remember that day? First day I was there. I knew that I couldn't get into your pants unless I said… um… what did I say? Oh yeah, “May I have my bill please, I have to leave?”1972, Bernardo Bertolucci, Franco Arcalli, Last Tango in Paris, spoken by Paul (Marlon Brando)
   • The call had come to her at the diner where she worked, and in her dreams, Norville, the short-order cook who had always been trying to get into her pants in those days, turned to her again and again, holding out the telephone.1991, Stephen King, Needful Things

   Synonyms:

   coitize, go to bed with, sleep with