bitchass Share definition Flag The crossing of a word between bitch and ass... AKA lauren,madi,sarah,avery Person 1: Omg that person is a bitch! Person 2: Omg that person is an assPerson 1 & 2: THAT PERSON IS A BITCHASS bitchass by dcjaevnbghisf April 19, 2019 Get the bitchass mug.