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Synonyms for heehaw

noun

(Informal)

An act of laughing:

verb

(Informal)

To express amusement, mirth, or scorn by smiling and emitting loud, inarticulate sounds:

cachinnate, cackle, guffaw, laugh. Idioms: die laughing, laugh one's head off, roll in the aisles, split one's sides. See laughter, sounds

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