adjective
that flaps or flap
noun
An instance where one flaps.
(phonology) 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.
(computing, telecommunications) The situation where a resource, a network destination, etc., is advertised as being available and then unavailable (or available by different routes) in rapid succession.
(uncountable) The unlicensed racing of horses or greyhounds.
verb
present participle and gerund of flap