A person who acts favorably to his or her peers to gain stasis or fancy that will eventually be used to their advantage. Such as a raise, promotion, or acceptance in a group. Usually brown nosers will do anything to gain the approval of their person of choice. These people can also be described as losers because they can’t work for what they want, instead they play dirty and butter-up the boss/teacher/peer into getting what they want. Another word for this person is a shoe shiner or a rough translation of brown noser in Spanish is, an eye licker.
"Whoa, didya see jimmy washing the principal's car?? He's such a brown noser..."
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.