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a chorus of women, all producing a quite loud thwack in the cheek, lip area of another, completly filled with jizz. when many jizzmackers perform at once it can be called jizzmacking. Or Fluctuating.
Like when you get 3 or 4 girls almost hallucinating off the production of sound, whilst ones mouth is loaded with semen, producing a loud thwack. often girls claim feeling "high" or "euphoric,"and a little "speedy" when Jizzmacking. Jizzmacker
by p0rn February 14, 2007