horror of horrors exclamation 1noun 1forms 1 exclamation1 •(humorous) Used to indicate that something is very horrifying.Horror of horrors! within a stair or two beneath the spot where I stood the unearthly tread smote the floor. — 1851 noun1 •(figurative) Something that is among the most horrifying things imaginable."He posed as the horror of horrors — a misunderstood man. Heaven knows the femme incomprise is sad enough and bad enough — but the other thing!" — 1889 formshorrors of horrors
