Unsolicited e-mail, often of a commercial nature, sent indiscriminately to multiple mailing lists, individuals, or newsgroups; junk e-mail, uncountable, computing, Internet Any undesired electronic content automatically generated for commercial purposes, countable, rare, computing, Internet An unsolicited electronic message sent in bulk, usually by email or newsgroups, transitive verb_ To send unsolicited e-mail to, To send (a message) indiscriminately to multiple mailing lists, individuals, or newsgroups, by extension, video games To relentlessly attack an enemy with (a spell or ability), verb_ intransitive, computing, Internet To send spam (i.e. unsolicited electronic messages.)