1882: Scab was the terror of the sheep farmer, and the peril of his calling. — James Edwin Thorold Rogers, A History of Agriculture and Prices in England, Volume 4, p. 306.
the crustlike surface of a healing skin lesion someone who works (or provides workers) during a strike form a scab; "the wounds will eventually scab" take the place of work of someone on strike
1 A short piece of lumber used to splice two other pieces together 2 One who refuses to join a labor union or who participate in practices in opposition to the union
Any one of various more or less destructive fungus diseases attacking cultivated plants, and forming dark-colored crustlike spots
Hair is the hair that's left behind after the big chop Even though it may be new growth, your hair still isn't "trained" to behave in it's natural state