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Use "chortling" in a sentence
"Silence, then chortling from the zebras somewhere on the endless plain."
"This book gets funnier and funnier and there'll be much chortling from the convenience, mark my words and you'll also finally sort out that Dambusters thing about turning your hands into goggles while you sing"
"Here's Bush kind of chortling and smiling, and there's Gore looking dour and unhappy and really kind of horrible."