WATER RAT • DICTIONARY ONE.COM • Definition of Water rat

... he said. "I was home from Camp Dix on a short leave and was on my way to see the old gent and the rest of the folks, when who should I run plunk into but that old water rat. It was five o'clock in the morning, and I was just taking a hop, skip and a jump off the train. 'Come on down the bay fishing,' he says. 'What, in these togs?' I told him. 'I'll get 'em all greased up and what'll Uncle Sam say?' 'Go home and get some old ones,' he ...

— Roy Blakeley's Adventures in Camp • Percy Keese Fitzhugh