Covert flirting between two people. Because they have to keep their true feelings for each other secret, for whatever reason (i.e. they work together, one is married, etc.).
"Those two can't seem to stand each other! They're always fighting over something!"
"Wrong, man. It's all a front they put up. They're actually macking on the sly."
Opening up a set with previously unknown individuals. The intention typically being wanting to sleep with said individuals or "randos."The tactic is often used when working day or night game. Masters of this trade often don the nickname "Rando Mack."
Randy "Hey man how was the party last night?"
Mike "Pretty sweet man, you know, just spent the night mackin on randos."
Randy "Nice you get any numbers?"
Mike "Nah."
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.