A phrase uttered whenever a person makes a futile attempt at a witty remark or when they make a terrible joke that no one laughs at. This phrase usually comes after a long awkward silence after the person has made their corny comment or joke, at which point everyone around laughs at the offender.
<Person 1> Yo mama is so stupid, she sold her car for gas money.
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.