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Another progression of the word n00b. An ignorant and irritating person (not necessarily a new person).
Usually used in MMORPGs, other online games, internet forums and instant messengers.
May be written in leet speak by some people e.g. n4bbl3t0n, |\|48813+0|\| etc
"Oh stfu you nabbleton!"

"Did you see that nabbleton?! He just tried to scam me!!!!!!! lolololololool idiot"

"That guys playing style is so nabbletonian."
by Jimbhello December 05, 2006