get into someone’s pants

get in(to) (someone's) pants

vulgar slang To have sex with someone. (Usually said of the intention or expectation.) I've stopped going to the clubs around town; they're just filled guys trying to get into your pants.See also: get, pant

get in(to) someone’s pants

in. to manage to copulate with a certain female; to seduce a female. (Usually objectionable.) Are you sure you don’t just want to get into my pants? See also: get, pant