Waders. Rubber hip boots, used when the water in the trenches is up to Tommy's neck.
Waiting Man. The cleanest man at guard mounting. He does not have to walk post; is supposed to wait on the guard.
Washout. Tommy's idea of something that is worth nothing.
Water Bottle. A metal bottle for carrying water (when not used for rum, beer, or wine).
Waterproof. A rubber sheet issued to Tommy to keep him dry. It does when the sun is out.
Wave. A line of troops which goes "over the top" in a charge. The waves are numbered according to their turn in going over, viz., "First Wave," "Second Wave," etc. Tommy would sooner go over with the " Tenth Wave."
Wet Canteen. A military saloon or pub where Tommy can get a "wet," Most campaigns and battles are planned and fought in these places.
"Whizz Bang." A small German shell which whizzes through the air and explodes with a "bang." Their bark is worse than their bite.
"Wind up. " Term generally applied to the Germans when they send up several star shells at once because they are nervous and expect an attack or night raid on their trenches.
"Windy." Tommy's name for a nervous soldier, coward.