trying too hard to be something you're not, and using a thinly disguised method to do it; someone who is a phony; an imposter; faker; bullshitter; a charlatan; A person who makes elaborate, fraudulent, and often voluble claims to skill or knowledge; a quack or fraud;
"he ain't nothin' ... he be half steppin'
Afro-American origin; early 1960s; jazz musicians would criticize a player who obviously had no talent or originality, who would try to play "hip" lines on his horn a half step outside of the key, in an attempt to copy master jazz saxophonist John Coltrane. Ex: "he ain't playin' nothin'.... he's just half steppin'.... (i.e., playing musical melodies momentarily a half step out of the key to create harmonic tension resolved by moving back inside the key, a cheap imitation of the real thing).
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
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.
I had a trucker's tan after driving for 10 straight hours on a sunny day.