Obs. exc. dial. [Onomatopœic, with frequentative suffix common in vbs. expressing agitated motion; cf. FLASK v.1]
1. intr. To flap about (as a fish); to flutter (as a bird); to flounder.
1681. Chetham, Anglers Vade-m., vii. § 5 (1689), 76. Hale him not too near the top of the Water, lest by flaskering he break your Line.
c. 1746. J. Collier (Tim Bobbin), Lanc. Dialect, Wks. (1775), 29. Deawn coom I, Arsy-versy, weh Nip eh meh Arm ith Wetur, Nip I leet fend for hur felln on flaskert int eh geete howd on o Sawgh.
1888. Sheffield Gloss., Flasker, to struggle, to flutter as a bird does its wings.
2. trans. To smother, stifle; also, to bewilder.
1820. R. Wilbraham, Cheshire Gloss., Flasker, to choke, or stifle; a person lying in the mud and unable to extricate himself is said to be flaskered.
1884. Cheshire Gloss., For goodness sake, childer, howd yer din, awm fair flaskert wi th nize.