A square scab?

[Meekl]

despite sending every nerve into OH stuff mode.

lol'd

[Ad Bot]

[Tom Gunn]

Care to tell us how you got the scab in the first place?

[Makingblah]

Alcohol, it works wonders, despite sending every nerve into OH stuff mode.

Unless you drink it first 

[Healbadbad]

just press E.