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A Moonspeak bastardization of "fuck" and "noob", which has since gone viral on many boards and game servers. Can be used within a sentence with the same meaning as "fucking noob", or as a single word statement.
l33thaxx0r121: Dont invite that fcknb, he's n00b.
fuckingnoob: no u fcknb inv me!!!
by Fcknb November 18, 2010
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