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Synonyms for heehaw

an act of laughing

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

References in periodicals archive ?
The Staggies had a goal ruled out for heehaw, a couple of dodgy offsides went against them and even the Dons equaliser came about after a bizarre decision from the officials.
Rebecca Mackenzie Smith from HeeHaw Marketing was named Young Business Person of the Year ?
Local businesses and individuals, who want to do their bit for young homeless people, have signed up to take part including Taylor Wimpey, Bank of NewYork Mellon, Anderson Strathern, The Point Hotel, The Cooperative Bank and Heehaw Digital.
List 99 can work but mistakes will be made when those with ultimate authority know heehaw about what they're dealing with'
And who could forget: "You vulgar boor, blockhead, and lout, you ass to cap all asses, screaming your heehaws.