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1.
Acronym for: Warn, Warn, Warn, Block

Once used on AIM to indicate increasing the warning level of a user the maximum number of times (three would get them to the max. of 35% provided they initiated to the IM), immediately followed by a block. Specific to the AIM service because no other IM protocols offered a warning feature.
She was getting annoying so I WWWB'd her.
by Bernard Stumpleton July 26, 2006