an inflammation of the skin caused by overexposure to the sun (sunburn) in certain areas of the body that would only be exposed for long enough to get a sunburn if the person doing the exposing were a slut
Chafings upon one's inner knees and elbows incurred during activities that require one to be upon one's knees and elbows.
Q: Od's blood, PhD, why limpest thou?
A: Anointest my slutburn with the oil you were planningest to sell to help the poor. It shall prove a salve and balm to my soul, verily, or at least to mine knees and elbows.