Possible Clues:

• Your tum might have done this following a fall
• Indulged in extortion
• And so it befell under the tum that it was so bloody
• Ran in the washing machine
• One's tum might have done this after the Fall
• What Static-X did "for Days"?
• Ran in the laundry room?
• Exuded
• Didn't stay within the lines, say
• Needed a styptic pencil