adjective, flap·pi·er, flap·pi·est.

slack or loose, so as to flap readily.

Origin of flappy

1900–05; flap + -y1; probably re-formation and not continuous with obsolete flappy flabby
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for flappy

Contemporary Examples of flappy

Historical Examples of flappy

  • She turned her eyes from his and stroked the flappy white ears of Charles.

  • Didn't that shapeless, flimsy, flappy little nuisance I allude to, rule the house from garret to cellar before it was a month old?

  • As Joan entered the dogs raised their absurd heads and with their flappy ears and padded paws patted the floor in welcome.

    The Shield of Silence

    Harriet T. Comstock

  • But always before when she had seen him the great hound, with his flappy ears and wide mouth, had been chained.

  • Oh, look at that ducky little church and the women with flappy cappy things on their heads.'