Noun
nails on a chalkboard (uncountable)
Something that sounds very unpleasant.
I hardly ever watch my own work. I just end up picking myself apart! I can't even stand to hear myself on voicemail. the sound of my own voice is like nails on a chalkboard. The same goes for my records. Grey DeLisle
In our society, the sound of men complaining is like nails on a chalkboard. Warren Farrell