any one or all of your toenails that have hardened by fungus and overgrown to a point resembling a hook or a claw. it will scratch you if it gets near your legs or rip your sheets. Can also be seen ripping through a knee high or painted badly in flip flops. Usually includes a crusty thick skinned ashy foot
girlfriend: I'm so tired of your busted up hook nail rippin' up my Martha Stewart sheets you broke ass nigga
by Bluvelvet72 July 27, 2018
Get the hook nailmug.