Used when someone knows the questioning is stupid or embarrassing and doesn't want to take the blame for asking such a question. Everyone knows they're really asking for themselves, but they pretend their conscience is clear.
Usually people will say this when they’re asking for themselves but to embarrassed. Some people are actually asking for a friend when they say this but people still assume they’re talking about themselves.
Jennifer: is your cousin single? Asking for a friend.
Todd: do you like him?
Jennifer: no, I’m actually asking for a friend. I’m not gonna say who though.
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.