Definition of "flapping" []

• That flaps or flap. (adjective)
• An instance where one flaps. (noun)
• A phonological process found in many dialects of English, especially American English and Canadian English, by which intervocalic /t/ and /d/ surface as the alveolar flap /ɾ/ before an unstressed syllable, so that words such as "metal" and "medal" are pronounced similarly or identically. (noun)
• Present participle of flap. (verb)

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• " An empty carton along one side, in the grass; a label flapping in the wind."
• "But, seriously, for Obama to deride anyone's experience in anything other than jaw-flapping is ridiculous."
• "But if wing flapping is so important, and if (according to some studies) comb and wattle size isn't, why possess the big comb and wattle at all?"