twinjas

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

twinja

Kawasaki's line of twin-cylinder Ninja motorcycles (the EX- line), including the Ninja 250, 500 and 650; this is distinct from their four-cylinder supersport cousins (the ZX- bikes).

No, it's not a race bike, it's a Twinja.

by INTERNETATRON September 20, 2010

twinja

2 ninjas

look is a ninja, and there is two of them... so is a twinja

by rialk June 08, 2018