Top Definition
Originally taken from the latin word nefas, which means to do wrong, to sin; The word najeff is a noun that describes someone or something with nefarious qualities.

Often used by people of lower class to describe someone or something unknown to them.
That guy is such a najeff.

If I could, I'd try to eliminate all najeffs from the world.

Over the course of history, there have been many najeffs all over the world.
by 4c 75 6e 61 72 57 61 73 48 65 November 09, 2010
1. Incredibly confident individual. Sometimes to the point of down right arrogance. Is able to reference numerous pop-culture staements of off the top of his/her head.

2. An individual who is very quick to dish out sexual innuendo yet has had no experience in the topic.

3. An individual who is quick to put others down.

4. An individual with a God complex.
1. Wow! that guy sure is confident! he must be a Najeff!

2. "That's what she said" AHAHAHAH Najeff is so funny

3. Najeff made me feel stupid today

4. Najeff often claims he is God.
by kaixadelta November 09, 2010

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