An
idiom that indicates a person, machine, circumstance, etc. who elevates
efficiency and performance regarding an individual
pursuit.
Ex: Ryan: Dude, did you do the history exam yet?
Matt:
Shit, man, I
totally forgot. I'm going to have to get a second gear if I want to finish it on time.
Ex: Craig: I'm going to be late to work! Does this car have a second gear?
Taxi Driver: What the hell does that mean?
Craig: Just
Urban Dictionary it.