[siz.zle] vb siz.zled ; siz.zling [perh. freq. of siss to hiss] vt (1603): to burn up or sear with or as if with a hissing sound ~ vi 1: to make a hissing sound in or as if in burning or frying
2: to seethe with deep anger or resentment
[2]sizzle n (ca. 1823): a hissing sound (as of something frying over a fire)