1 definition by Kurasu Soratobu

Verb. In MU* and IRC jargon, the use of the word reflects one person having said something in one window where they had expected to say something in another. Also encompasses conversation to one person or source that ends up going to another one.
"Rick was absolutely humiliated when he *mavved* that comment to his girlfriend."
by Kurasu Soratobu December 14, 2003
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