Teet yeet- when somebody is offended by you breast feeding in public, so you shoot breast milk into their eye to teach them to mind their own fucking business
Eg. "I was feeding my baby and this man told me I shouldn't get my boobs out in public, so I teet yeeted that perverted fuck to teach him a lesson"
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.