Top Definition
Used in a "o rly" way to suggest that what they said was

nonsense
spam
or obvious.

Can also be used in a taunting "I can't hear you!" way, but is generally more effective.
Person 1: STFU, NEWB!
Person 2: Lulz wut?
by Ookami Raito September 20, 2007
10 Words related to lulz wut

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