An outspoken dispute in a public forum such as a news group or email list, with usually about half a dozen fierce combatants.
Reason and logic seem to go out the door, and "ad hominem" attacks are plentiful. GodwinsLaw is sometimes (unwittingly) breached.
Note that a FlameWar, which is defined by the manner of discussion, is not the same as a ReligiousWar, which is defined by the topic of conversation. Naturally, though, they frequently overlap.
See also:
4 pages link to FlameWar:
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