2 definitions by jacaya

Top Definition
A ninja who has a twin, who also happens to be a ninja. It is a portmanteau of "twin ninjas".
Kyo and Kai are the most deadly twinjas anyone has ever encountered.
by jacaya August 22, 2010
A surgical procedure in which an infant is removed from the mother's womb by cutting through her breasts. It is a very rare occurance... 1 out of 7 billion+.
Swani is the first and only baby to be born by a breastasarian procedure.
by jacaya March 13, 2010

Free Daily Email

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

Emails are sent from daily@urbandictionary.com. We'll never spam you.