(idiom) A sound that makes your ears bleed.
*plays an annoying song*

"This song is like nails on a chalkboard"
by ComputerLover May 4, 2020
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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 Colby.exe November 30, 2018
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