By extension with CODA/KODA (Child/Kid of Deaf Adults) and SODA (Sibling of a Deaf Adult), we have NERDA (Not Even Related to a Deaf Adult), for hearing people involved in the Deaf community who are ... well, NERDAs.
A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.