yhbt

from Jargon File (4.4.4, 14 Aug 2003)
YHBT
 //

   [Usenet: very common] Abbreviation: You Have Been Trolled (see
   {troll}, sense 1). Especially used in "YHBT. YHL. HAND.", which is
   widely understood to expand to "You Have Been Trolled. You Have Lost.
   Have A Nice Day". You are quite likely to see this if you respond
   incautiously to a flame-provoking post that was obviously floated as
   sucker bait.
    

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