Plural form: teeth, especially when used in a playful or informal way to describe someone's set of teeth.
Plural of 'chomper,' used colloquially from the 1800s as slang for teeth—the agent noun applied to the biological tool that chomps.
Slang for teeth appears across languages because children naturally describe their teeth by what they do—'chompers,' 'pearly whites,' 'biters'—all focusing on function rather than anatomy.
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