Top definition
Someone who only has one testicle, thus the name 'Mono-Ball'.
John: Bert has a Mono-Ball!
by MaddaCheeb24 October 08, 2009
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Jul 19 Word of the Day
the art of remembering an arousing occurrence or some porn you watched while masturbating, often handy if you have no porn or your in the shower
dude i had the best memory wank the other night, i was thinking about that time I walked in on your mum in the shower
by fonzatron2000 April 28, 2007
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2
When a persons balls havn't dropped and r still look like 1 ball
Jamie:George Olof has a monoball

Will:Lets make him cry and hide in his bathroom
by Jamie Elsworth April 30, 2005
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