Having a large mouth that moves freely when talking; talkative or loudmouthed; prone to gossip or reveal secrets.
Compound of flap (suggesting loose, uncontrolled movement) and mouthed (having a mouth), creating a descriptive term for someone with a mouth that won't stop moving.
Flapmouthed joins a family of mouth-based insults—loudmouth, bigmouth, smartmouth—all describing people whose mouths don't stay shut, showing how universal this human complaint is across centuries.
Similar to 'flannelmouthed,' this term carries historical gendered dismissal of volubility; applied more often as critique of women's speech than men's in period usage.
Avoid as personal characterization; use neutral descriptors for communication patterns instead.
["talkative","verbose","outspoken"]
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