dial. [freq. of FLACK v.; cf. ON. flǫkta of same meaning.] intr. To flap about.
1823. Moor, Suffolk Words, s.v., Womens ribbons or loose geer are said to ‘Flacket about.’ It is more expressive than flap.… A dressy loose woman would have the former word figuratively applied to her ‘She’ll go flacketen about.’
