Top Definition
A person that is new to a community or forum of professionals. One that knows diddly squat about what he is trying to act like he knows something about.

Commonly spelled noobster-But technically that is wrong. The word orignates from the word where does the noob come from? Got me!

"That guy is a newbster trying to act like he knows what he is talking!"
by Collin M April 07, 2006

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