What is Ninja Girlfriend?
1.
A mistress. A sexual partner that is unknown to the rest of the world, she is kept hidden from the public, and from the publicly proclaimed girlfriend and wife, mate, live-in spouse.
The dude's married but is looking for a ninja girlfriend anyway.
See
Random Words:
1.
Cockney(E.London, Great Britain) rhyming slang for Yank American.
A disparaging term for a U.S. citizen.
(Sadly, those poor souls aff..