ear crust 

When the wax's inside the ear goes dry and hard and starts to crust

Mate you need to clean them ears, I can see your ear crust from here

ear crust by mitch00uk March 29, 2015

crusty ear

Someone cumming on your ear and you let it dry out

He came on my ear and I let it dry. Now I have a crusty ear

crusty ear by A Southall May 23, 2018