be in somebody's corner | have somebody in your corneridiomPart ofcornerbe in somebody's corner | have somebody in your cornerbe in somebody's corner | have somebody in your corner — idiomidiom1. To support and encourage someone, or to have someone who does that for you.1.idiomDefinitionTo support and encourage someone, or to have someone who does that for you.ExampleMy coach has always been in my corner during tough matches.It's good to have a friend like Maya in your corner.