midnight dip Posted in M Best definition midnight dip Slang for a woman’s vagina/The act of sex Guy 1: So bro got any plans for tonight? Guy 2: Yep. Gunna take a “midnight dip” with my gf. Guy 1: Nice How satisfied are you with the definition? Looking for midnight dip meaning? Delighted that you discovered the greatest determine on our web site! Recently this definition was actually observed 55 times.