The Collaborative International Dictionary of English v.0.48:

Birl \Birl\, v. t. & i.
   To revolve or cause to revolve; to spin. [Scot.] --Sir W.
   Scott.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Birl \Birl\, v. t. & i. [AS. byrlian. [root]92.]
   To pour (beer or wine); to ply with drink; to drink; to
   carouse. [Obs. or Dial.] --Skelton.
   [1913 Webster]

WordNet (r) 3.0 (2006):

birl
    v 1: cause a floating log to rotate by treading [syn: birl,
         birle]
    2: cause to spin; "spin a coin" [syn: whirl, birl, spin,
       twirl]