a man only having one testicle
Stevie K has is a uniball because he only has one testicle
by mogger05 December 22, 2004
10 more definitions
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
A pen making company
I have a uniball pen, and my friend thought the pen only had one ball
by duhhh June 21, 2004
two balls that have been fused together into one
You touch her again i will fuse your balls into one big Uni-ball
by milos44556677 July 01, 2014
A person with only one testicle.
Wow that kid is a uni-ball or, suck my uni-ball
by irock1336 September 30, 2009
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