shout (one's) head off(redirected from shouted their heads off)
shout (one's) head off
To shout or yell very loudly and lengthily. Suzy shouted her head off when I told her she couldn't have an ice cream cone. The stadium was packed with fans shouting their heads off for the popular band. Don't bother listening to the crazies who stand on street corners and shout their heads off at passersby.