Source : Webster's Revised Unabridged Dictionary (1913)

Buzz \Buzz\, v. i. [imp. & p. p. {Buzzed}; p. pr. & vb. n.
   {Buzzing}.] [An onomatop[oe]ia.]
   To make a low, continuous, humming or sibilant sound, like
   that made by bees with their wings. Hence: To utter a
   murmuring sound; to speak with a low, humming voice.

         Like a wasp is buzzed, and stung him.    --Longfellow.

         However these disturbers of our peace Buzz in the
         people's ears.                           --Shak.

Source : WordNet®

buzzing
     adj : noisy like the sound of a bee; "the room was abuzz over the
           latest scandal" [syn: {abuzz}, {droning}]