On one such occasion Phineas burst into a guffaw.
"The Rough Road"
William John Locke
He broke into a guffaw, then stuffed his mouth full and talked in the intervals of chewing.
"The Frozen Pirate"
W. Clark Russell
In the worst performances we have not got to any unreal region, but are breathing for the time the atmosphere of the lowest resorts, where reference to pure or generous sentiment would undoubtedly have been received with a guffaw, and coarse cynicism be regarded as the only form of comic insight.
"English Literature and Society in the Eighteenth Century"
Leslie Stephen