135 entries under expression topic. ×

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eat crow(break, collapse, faint)
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expressing amusement(happiness, roar, scream, snicker)
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fall about(snicker, chuckle, giggle)
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fall asleep(break, collapse, faint)
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fall down laughing(idiom, snicker, chuckle, giggle)
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fall victim to(idiom, break, collapse, faint)
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foam at the mouth(idiom, roar, tear, erupt)
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for grins(adjective, funny, amusing, farcical)
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gagged up(adjective, funny, amusing, farcical)
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give in to(idiom, break, collapse, faint)
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give up the ghost(idiom, break, collapse, faint)
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go bananas(verb, yield, collapse, roar)
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go down(break, collapse, faint)
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go off the deep end(idiom, yield, collapse, tear)
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go over big(verb, idiom, delight, charm)
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go under(break, collapse, faint)
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have a fit(idiom, roar, tear, erupt)
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have a tantrum(idiom, roar, tear, erupt)
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have hysterics(snicker, chuckle, giggle)
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hit the ceiling(idiom, yield, collapse, tear)
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APASmart Define. (2015). crack up thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/crack_up/thesaurus/synonyms
ChicagoSmart Define. 2015. "crack up thesaurus" https://smartdefine.org/crack_up/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, crack up thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/crack_up/thesaurus/synonyms>.
MLASmart Define. "crack up thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/crack_up/thesaurus/synonyms>