A Ninja-Lunch is when your co-workers start talking about where to go for lunch, and while you give some token input, like, "The pub" or "The donair place on the hill", you really have no intention of going to lunch with the boys. You've already secretly planned lunch with a redhead, and while the boys' backs are turned, you vanish like a ninja to meet your REAL lunch date.
Dave: Where should we go today?
George: The Old Admiral?
Brian: Yeah....uh....yeah...
Yoon: How about Burgers?
Joe: Alright guys, time to go!!
Mike: Wait, where'd Brian go?
Yoon: He must have gone on a ninja lunch again.
by Buns Master December 13, 2011
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The rarest of all ninja. Ancient tribal warriors who would sneak up on the enemy and assassinate them in extremely bloody and unnecessary ways to steal their sandwiches or chips as a form a psychological warfare.
Three guys arguing about who is more badass.

Guy 1: Dude, I love Navy Seals those guys are awesome.

Guy 2: No way, a viking or a pirate would kick a Navy Seal's ass any day.

Guy 1: Bullshit!

Guy 3: Both of you are wrong the most lethal killers in the world are Lunch Ninjas. There's no telling how many people they killed and all the food they took 5000 years ago. It's even rumored that just one Lunch Ninja can defeat an entire army just by starving it, now thats what I call a true badass.

by Wrench93 April 7, 2009
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