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1.
a man only having one testicle
Stevie K has is a uniball because he only has one testicle
by mogger05 December 22, 2004
59 10
 
2.
to hit someone so hard in the nuts that their testicles fuse together into one. essentially its a really hard sackwhack
if u dont shut up im going to uniball you
by herpderp123 August 24, 2010
13 4
 
3.
A pen making company
I have a uniball pen, and my friend thought the pen only had one ball
by duhhh June 21, 2004
18 14
 
4.
1.A person with one ball.
he is a Uni-Ball.
by Copyright © November 27, 2001
11 7
 
5.
An odd attraction in the form of a online game that draws out all nerds, geeks and people who generally don't shower.
I'd rather clean out the crabs from my pussy with a rake than to play another second of Uniball.
by NickW June 10, 2004
15 14
 
6.
A person with only one testicle.
Wow that kid is a uni-ball or, suck my uni-ball
by irock1336 September 30, 2009
4 4
 
7.
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
by feministica October 27, 2007
3 7