colloq. [The vb. stem so used.] With a flop, with a flopping noise.
1728. Vanbr. & Cib., Prov. Husb., I. i. 14. Dawn came I flop o my Feace all along in the Channel.
1863. Kingsley, Water Bab., iii. Where the beetles fell flop into the water.
1883. E. Pennell-Elmhirst, The Cream of Leicestershire, 177. Whereupon Whipcord plunged his fork into the aperture, as if harpooning a porpoise; reynard dashed out flop against the only hound on that side of the tree, rolled head over heels, picked himself up again, and reached the nearest fence in safety.
a. 1887. Jefferies, Field & Hedgerow, 177. Dalled if he didnt fall into the pond, flop!