uno ball

is a term used to describe a man with one ball gone or one ball up and the other hanging down.

Girl, that guy's uno ball was nasty! I left as soon as I saw it!

by bestognigga August 26, 2011

uno ballo

1. pain in the asshole who asks "do you want this cock?" while you are sleeping

2. the one-balled wonder

3. anthony of the one balls

1. uno ballo stuck it in me

by Keith D March 5, 2008