Short-tempered and gruff but, sometimes, with a harmless or benign inner nature.
Having a crust, especially a thick one.
Of very low quality.
A member of an urban subculture with roots in punk and grebo, characterized by antiestablishment attitudes and an unkempt appearance.
A tramp or homeless young person with poor cleanliness.
Dried eye mucus.
dulled or intentionally blunt.
out of focus; blurry.
To sharpen (an image) by creating a blurred ("unsharp") negative as a mask, and then combining that mask with the original.