When you break-up with a person. They enter a state of confusion and begin stuttering as they try to either defend themselves or make you feel gulity.
Steve: Hello Linda
Linda: Why Hello Steve my darling. How are you?
Steve: Quite fine. Linda we need to talk.
Linda: What is it my love?
Steve: We're breaking up.
Linda: Wh-Wh-Why are yo-yo-you br-breaking u-u-u-up with m-m-m-me?
Steve: For many reasons but right now because you are stuttering. Your a Break-Up Stutterer.
Linda: Th-TH-This is bull-bull-bull-bullshit.