As described by spongebob squarepants, to smeckledorf is to con someone in a way that isn't obvious until later. (Whether or not the conning turns out to not be the case isn't necessary.
I don't have a good record with health inspectors, not since the last one. To be fair, I didn't know if he was trying to smeckledorf me or not.
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.