Gruff
Gruff (gruf) , adjective
[Dutch grof; akin to German grob, Old High German gerob, grob, Danish grov, Swedish grof, perh. akin to Anglo-Saxon rcófan to break, Z. reavc, rupture, g- standing for the Anglo-Saxon prefix ge-, Gothic ga-.]
Of a rough or stern manner, voice, or countenance; sour; surly; severe; harsh. — Addison
Gruff, disagreeable, sarcastic remarks.