v. north. dial. [f. FLAFF v. + -ER 6.] intr. To move with a rustling motion; to flutter. Also with out.
17[?]. Colin Clout, in Aitken, Scott. Song, 189.
| Mony a birdie, sweetly singin, | |
| Flaffered briskly roun about. | 
1863. Robson, Bards of Tyne, 342, The Owl.
| Oft fra its nest, in Cabbage Square, | |
| It flafferd out at neets, man, | |
| Mang sic a flock that neetly blare, | |
| And carry crooks an leets, man. |