horror of horrors
idiomPart ofhorror
horror of horrors — idiom
1. used humorously to say that something is the worst or most shocking thing that c
1.idiom
Definition
used humorously to say that something is the worst or most shocking thing that could happen, often about something not actually serious
Example
The restaurant had run out of dessert — horror of horrors — so we had to share a single slice of cake.