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A measurement of jenkem that refers to 10 balloons* filled with methane and hydrogen sulfide. This is a lot of Jenkem. A couple calcs would be able to support a small kickback. *typically party balloons a calc can also be formed with other sized balloons (water balloons, weather balloons) but has to be renamed accordingly: i.e. mini-calc, mega-calc. note: calc is often confused with the abbreviation for calculator, or Calc. Confusing these two is a common misunderstanding and can make a typical conversation awkward. another note: one who huffs a whole calc is highly respected by his peers. In order to gain this prestige he must stay conscious throughout the whole Jenkem binge.
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