To lay one's mack down:
1) To enter into an arena and get your groove on.
2) To seduce a girl with your presence and your oozing charisma.
3) The physical act of taking off your coat or over garment and placing it on the floor; being sure not to contravene any health and safety regulations.
1) I bowled in, saw the dance floor and simply proceeded to lay the mack down.
2) That girl was all over me, that's what happens when I lay the mack down.
3) I came in to the room, found an appropriate spot and thought this is where I shall lay the mack down.
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.
British slang for a scientist or technical expert, esp . when the speaker is not certain of the expert’s specific field of study. Not necessarily derogatory, but typically used by persons without a technical background. In the US, the equivalent would be “egghead”, “squint”, or “geek.”
Origin of the word is unknown. Started sometime in World War 2. Given the typical evolution of British slang, could easily have started because what these experts did was confusing or “baffling” to the common person.