Source : Webster's Revised Unabridged Dictionary (1913)

Sizzling \Siz"zling\,
   a. & n. from {Sizzle}.

Sizzle \Siz"zle\, v. i. [imp. & p. p. {Sizzled}; p. pr. & vb. n.
   {Sizzling}.] [See {Siss}.]
   To make a hissing sound; to fry, or to dry and shrivel up,
   with a hissing sound. [Prov. Eng. & Colloq. U. S.] --Forby.

Source : WordNet®

sizzling
     adj 1: hot enough to burn with or as if with a hissing sound; "a
            sizzling steak"; "a sizzling spell of weather"
     2: characterized by intense emotion or interest or excitement;
        "a red-hot speech"; "sizzling political issues" [syn: {red-hot}]