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1.) The actions of a group of people, where when one says or does something funny, that all persons in the group laugh uncontrolably, and are unable to control the laughter among themselves for several minutes.

2.) An almost magical effect among a group of people where all in the group seem to understand the same comedic implications.

At a party: Sam : Yo George where did betty go ?
George: Oh, she's at the table over there viral snickering with the marketing group.
by jeffbo April 18, 2009
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