a man only having one testicle
Stevie K has is a uniball because he only has one testicle
by mogger05 December 22, 2004
Get the uniballmug. to hit someone so hard in the nuts that their testicles fuse together into one. essentially its a really hard sackwhack
by herpderp123 August 24, 2010
Get the uniballmug. by duhhh June 21, 2004
Get the uniballmug. An odd attraction in the form of a online game that draws out all nerds, geeks and people who generally don't shower.
by NickW June 10, 2004
Get the uniballmug. condition in which instead of having two testicles a man, they're so small that they appear like they only have one. which is usually an insult if you hear a girl talking about her boyfriend's uniball
p1: dude, tim is so hot!
p2: yeah he is....but i heard from katrina that he has a major uniball situation goin on
p1: *gags* oh snap. never mind then
p2: yeah he is....but i heard from katrina that he has a major uniball situation goin on
p1: *gags* oh snap. never mind then
by feministica November 14, 2007
Get the uniballmug. by MaverickDaNubRippinBaddie February 24, 2008
Get the Uniballermug. a legendary pimp who wanders the town at night pimpin you hos and leaves his mark by dippin his one and only testicle in a can of blue paint, swangin it up and slapping his victims with it. The paint can never be washed off.
by S-Sizzle April 19, 2006
Get the uniballermug.