The Collaborative International Dictionary of English v.0.48:

Bang \Bang\ (b[a^]ng), v. t. [imp. & p. p. Banged; p. pr. &
   vb. n. Banging.] [Icel. banga to hammer; akin to Dan. banke
   to beat, Sw. b[*a]ngas to be impetuous, G. bengel club,
   clapper of a bell.]
   1. To beat, as with a club or cudgel; to treat with violence;
      to handle roughly.
      [1913 Webster]

            The desperate tempest hath so banged the Turks.
                                                  --Shak.
      [1913 Webster]

   2. To beat or thump, or to cause (something) to hit or strike
      against another object, in such a way as to make a loud
      noise; as, to bang a drum or a piano; to bang a door
      (against the doorpost or casing) in shutting it.
      [1913 Webster]

   3. To have sexual intercourse with; to fuck; -- usually used
      with the male as a subject. Considered vulgar or obscene.
      [vulgar slang]
      [PJC]