A Caffeine tablet with apparent 'cult' status, used by students for years to stay awake while studying or during allnighters. Sometimes gets abused by people using it as a recreational drug - even though it's not great.
person 1: Man, I stayed up all night to finnish this!

person 2: Really? I thought you were gonna crash, you looked knackered before you left

person 1: yeah, but when I got home, I had some pro plus, woke me right up :)
by Mechanical Squirrel August 20, 2006
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"what drugs do you take?"
"oh you know, a bit of weed, and some pro plus
by mel April 12, 2005
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