rub-off factor

1. The result achieved from dividing the number representing the net volume of semen generated from a masterbatory session by the distance over which it was ejaculated.
2. An element defined as being the extent to which a mental or pornographic fantasy, female companion, or Yiddish curmudgeon is capable of qualitatively enhancing a masterbatory session.

1. The rub-off factor cannot yet be calculated, as the measurement data remains yet to be disclosed to the public.
2. But seriously, a fine Jewish octogenarian with his schnoz and yamaka has a far higher rub-off factor than anything Hugh Hefner can provide.

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