-interjection
1. (used to express a greeting, answer a telephone, or attract attention.)
2. (an exclamation of surprise, wonder, elation, etc.)
3. (used as a strong expression of joy, pleasure, or approval.)
Also: Yoata.
–verb tr (used with object)
4. to give an affirmative reply to; give assent or approval to.
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.