What's on your mug?

Another way of adding prestige to someone's skills. Used to convey respect. Used in conjunction with the name of the person's skill.

Guy1: That Satch concert last night rocked man! Guy2: Ya, dood's a guitar ninja.

By King Mango

A recent type of mortgages given to those with no apparent means and little to no chance of rendering repayment. NINJA is an acronym referring to the borrower as having No Income No Job or Assets.

The housing bubble was greatly helped by financially suicidal bankers issuing NINJA loans like candy to anyone who could fog a mirror!

By esmith512

past tense: ninjad -to steal, to heist

Did you buy or ninja those? or I ninjad these shoes yesterday.

By Brittaneyy

Another word for a small-sized Indian. Ninjas are usually camouflage by darkness (except their eyeballs will give them away) hence they are able to kick you right in the ass without you even knowing.

That little ninja came out of nowhere the other night! I swear I didn't even see him!

By yojello

Mastering the art of stealth to leave work or an event, like a boring party, without anyone noticing.

Work sucked so bad today. I totally pulled a Ninja after lunch.

By Hayden Bond