Often seen in movies after the protagonist earnestly says something revealing, leaving the opposing character in a state of ambivalence. Fortunately, the antagonist usually disregards it as a mockery and laughs with his comrades in this obnoxious manner.
(intransitive verb) guffawed, guffawing, etcetera.
Silence filled the room. Bad Guy could feel the burning anticipation of his comrades. He met and held his stare.
Bad Guy guffawed. "You!? Masked Man!" Glancing to his comrades, he scoffed, "Just look at his stance! And... just where is your weapon? You fool!"
*Laughter ensued in the warehouse*