Dumpster diving.
A tradition of throwing food, confetti, etc. over students after their final examinations.
The act by which something is trashed.
The action whereby falling rainwater clean particles from the air.
An overwhelming victory; a landslide.
An appliance designed to wash something out.
The cleaning of matter from a physiological system using a fluid.
The cleaning of the inside of a (locomotive) boiler to remove scale (limescale).
A breach in a road or railway caused by flooding.
A period between clinical treatments in which any medication delivered as the first treatment is allowed to wash out of the person before the second treatment begins.
A disappointment or total failure; an unsuccessful person.
The aerodynamic effect of a small twist in the shape of an aircraft wing.
A channel produced by the erosion of a relatively soft surface by a sudden gush of water.
A sporting fixture or other event that could not be completed because of rain.