Source : Webster's Revised Unabridged Dictionary (1913)

Jaw \Jaw\, v. i. [imp. & p. p. {Jawed}; p. pr. & vb. n.
   {Jawing}.]
   To scold; to clamor. [Law]

Jawing \Jaw"ing\, n.
   Scolding; clamorous or abusive talk. [Slang] --H. Kingsley.