Shouted their heads off - Idioms by The Free Dictionary
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.
References in periodicals archive
Every 15-minute match they watched, they picked a team to support and shouted their heads off
And tears were definitely the only game in town as the karaoke pub warblers shouted their heads off
by swimming pools and then broke down in uncontrollable hysterics.
Donald apparently thought he had got his man a few minutes earlier, when he and his colleagues shouted their heads off
for a catch to the 'keeper off one that replays clearly showed came off the batsman's shoulder.