1 [no object, with adverbial of direction] (of liquid in a container) move irregularly with a splashing sound:water in the boat sloshed about under our feet figurativethere is so much money now sloshing around in professional tennis
move through liquid with a splashing sound:they sloshed up the tracks in the dank woods
[with object and adverbial of direction] pour (liquid) clumsily:she sloshed coffee into a cracked cup
2 [with object]British informal hit (someone) hard:why did you slosh me?
1an act or sound of splashing:the distant slosh of the washing machine in the basement
a quantity of liquid that is poured out:I gave Michael and myself another slosh of rye