cut somebody short
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.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
cut somebody ˈshortstop somebody speaking: She was just about to say who had got the job, but I cut her short and asked her to keep it secret.
Farlex Partner Idioms Dictionary © Farlex 2017