A way for an overachiever can convey that their teammates arelacking the quality or quantity required; insufficient for a purpose of adding value to the team.
"Bro, you got a 40K/D!!! But we barely scrapped by that game."
"I had 1.2 K/D"
"Ahhhh, my back hurts?"
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.