bamf

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

   1. [from X-Men comics; originally "bampf"] interj. Notional sound made
   by a person or object teleporting in or out of the hearer's vicinity.
   Often used in {virtual reality} (esp. {MUD}) electronic {fora} when a
   character wishes to make a dramatic entrance or exit.

   2. The sound of magical transformation, used in virtual reality {fora}
   like MUDs.

   3. In MUD circles, "bamf" is also used to refer to the act by which a
   MUD server sends a special notification to the MUD client to switch
   its connection to another server ("I'll set up the old site to just
   bamf people over to our new location.").

   4. Used by MUDders on occasion in a more general sense related to
   sense 3, to refer to directing someone to another location or resource
   ("A user was asking about some technobabble so I bamfed them to
   http://www.catb.org/~esr/jargon/".)
    
from The Free On-line Dictionary of Computing (8 July 2008)
bamf

   /bamf/ 1. [Old X-Men comics] Notional sound made by a person
   or object teleporting in or out of the hearer's vicinity.
   Often used in {virtual reality} (especially {MUD}) electronic
   {fora} when a character wishes to make a dramatic entrance or
   exit.

   2. The sound of magical transformation, used in virtual
   reality {fora}.

   [{Jargon File}]
    

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