1 definition by Sipos

Masturbating with ones hands tied together.
Jim-Bob walked in on his son Josh jim-bobbing in the bathroom.

If your hands were tied together as a punnishment for masturbating, the only way you could masturbate would be by jim-bobbing. This act is so called because of the reported fondness of a famous individual named Jim-Bob for tieing the hands of his numerous children together as a punnishment for masturbating, leading to them jim-bobbing.
by Sipos May 30, 2015
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