Swash

Webster's Practical Dictionary- A Practical Dictionary of the Englih Language · 1884 · p. 443

swosh, n. A swaggering fellow; impulse of water flowing with violence; a dashing of water; a narrow channel of water lying within a sand-bank, or between that and the shore.— v. i. To bluster, make a noise; to flow noisily, as water; to splash.