Top Definition
the male equivilant of a womans period, where the male produces fresh strawberry jam from the anus or mouth. This jam is collected every month and is then sold on to tesco for a healthy profit. Such examples of the jam gland are in videos like "1man1jar" which clearly depicts the jam collection process going horribly wrong.
my jam gland just burst!
by some lads March 07, 2010

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