cut (someone or something) short
1. To interrupt someone so that they stop talking. I was sick of listening to her story so I finally cut her short.
2. To end something unexpectedly or abruptly before its planned conclusion. No one was disappointed when the principal's microphone came unplugged, cutting his speech short.
cut something ˈshort
make something end before the natural time; interrupt something: We’ll have to cut our stay short, I’m afraid. My husband’s father is seriously ill.Our conversation was cut short by the arrival of the teacher.