Flame
Personal verbal attacks on other Internet users, via e-mail, USENET, or mailing lists. Flame wars occur when a series of flames are sent back and forth between two or more people.
A strong opinion and/or criticism of something, usually as a frank inflammatory statement, in an electronic mail message. It is common to precede a flame with an indication of pending fire (i.e., FLAME ON!). Flame Wars occur when people start flaming other people for flaming when they shouldn't have. See also: Electronic Mail
To heap written abuse on someone or to excessively criticize them for their ideas, spelling, grammar, etc. Flaming is considered impolite, juvenile behavior, but is not uncommon in some newsgroups.