What is "guffawed"

Usage examples of "guffawed".

Gus Brannhard guffawed at Roy Wilkins, a slender man who stood nearby, chatting with Ernst Mallin, frowned and pursed his lips.

It was the especial pleasure of each driver, seeing how strange Wang Lung and his family were, to crack his whip just as he passed them, and the sharp explosive cut of the air made them leap up, and seeing them leap the drivers guffawed, and Wang Lung was angry when this happened two and three times and he turned away to see where he could put his hut.