Act up

Send us Fan MailFor checking the transcript: https://www.buzzsprout.com/2379282Act upmeans to behave badly or cause problems. It can refer to both people (especially when they misbehave) and things like machines or devices that stop working properly.Examples:1- At the party, Sarah’s dog started acting up, running around and knocking over the drinks!2- During a concert, Adele’s microphone started acting up, causing some audio issues, and she had to pause for a couple of minutes to fix it.