Define Nails On A Chalkboard Meaning

Nails On A Chalkboard
(idiom) A sound that makes your ears bleed.

*plays an annoying song*

"This song is like nails on a chalkboard"
By Josi
Nails To My Chalkboard
A saying used to display a strong hate but worst than the word hate

Colby: you know that Ian kid, I took his girl and he’s really just the nails to my chalkboard.
Friend: yeah he’s a cunt
By Ursuline