Source : Webster's Revised Unabridged Dictionary (1913)

Chaffing \Chaff"ing\, n.
   The use of light, frivolous language by way of fun or
   ridicule; raillery; banter.

Chaff \Chaff\, v. i. [imp. & p. p. {Chaffed}; p. pr. & vb. n.
   {Chaffing}.]
   To use light, idle language by way of fun or ridicule; to
   banter.