slosh (n.)youdaoicibaDictYouDict[slosh 词源字典]
1814, "slush, sludge, a watery mess," probably a blend of slush and slop (n.1) in its Middle English sense of "muddy place."[slosh etymology, slosh origin, 英语词源]
slosh (v.)youdaoicibaDictYouDict
"to splash about in mud or wet," 1844, from slosh (n.). Meaning "to pour carelessly" is recorded from 1875. Related: Sloshed; sloshing.