scab

The spots fill up with fluid and become blisters before crusting over to form scabs, which eventually drop off and clear up.

They picked at this particular South Africa scab with their verbal armoury of salty snipes when a tense chase began.

Further out, the oil fields of Kern County are like dinosaur relics — scabs on the surface of the earth.

“I had these giant scabs on my head,” he said, “these were like golf-ball-sized scabs.”

His face was scarred by a shotgun pattern of blood-red scabs and ulcers.