Top Definition
A person born with only one testicle. Or a person who lost their testicle due to a disease or a freak accident.
Damn! Joey put whipped cream on his nuts and his fat girlfriend bit one off!! Now he's a one testicillian!
by tabatha August 29, 2003
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.