1 definition by Drewsef

Top Definition
A member of a class of 14th-century Japanese mercenary agents who were trained in the martial arts and hired for covert operations such as assassination and sabotage.

Acronym: Need Information Now Just Ask. A person who is an expert at something, or carries a great deal of knowledge about a particular thing.
The ninjas move swiftly through the palace.

Ask Daryl, he's the ninja to look for.
by Drewsef June 16, 2005

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