caused by a 2nd degree burn
, usually caused by touching an extremely hot
surface. For example, touching the engine block
of a motorcycle while using a mini kryptonite
and a kryptonite cable lock
to secure said motorcycle against all but the most determined liberators.
I looked at it, thought that's gonna hurt, and proceeded to spend the next four hours pointing at icecubes. (With minor painful interruptions to do a bit of mig welding for myself and others)
Happy coincidence is that the callus is most useful for mousing with a trackpad.