cascade

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n. 1. A huge volume of spurious error-message output produced by a compiler with poor error recovery. This can happen when one initial error throws the parser out of synch so that much of the remaining program text is interpreted as garbaged or ill-formed. 2. A chain of USENET followups each adding some trivial variation of riposte to the text of the previous one, all of which is reproduced in the new message; an include war in which the object is to create a sort of communal graffito.