slap-a-bitch/cap-a-bitch
(v.) an action where someone is provoked to strike. Someone offends you so you slap-a-bitch. Cap-a-bitch is when you shot the person who provoked you.
Person 1: "She just called you fat!!"
Person 2: "it's time to slap-a-bitch!"
Person 2: "it's time to slap-a-bitch!"