Bimbo Sip Share definition Flag The sip one takes from an overfilled drink whilst bending over to prevent spilling, like a dumb drunk girl would do at a party. Tammy tried to take a bimbo sip but knocked the cup over with her boobs. Drunk bitch. Bimbo Sip by Elton Mancups January 10, 2012 Get the Bimbo Sip mug.