Ninja Sub 

A virgin or someone who is 13 years old

"Did he ever have sex?"
"No, he is a Ninja Sub"
"Oooh, that explains everything"

Ninja Sub by therealpanix December 12, 2018

Subway Ninja 

A person who works at a Subway restaurant and makes sandwiches very quickly. A Subway Ninja also bakes perfect bread, and prepares all food for the day in record time.

Matt and Leng are both Subway Ninjas.

Subway Ninja by RoxanneMichelle December 12, 2008