Person with a suit for diving. It refers to flaps (also called "frog legs") that are similar to the membranes of the hind legs of frogs.
It is a curious and little used to refer to a diver. A person who moves under the water helped a team of compressed air or oxygen.
You're a frog, in the 40s, in argentina, so to be called one man trasnochador and lifestyler others.
A man who is equipped with a suit of rubber, goggles, fins and oxygen cylinders, to plunge into the water and perform various activities under this.
grodman which is provided with the necessary equipment for underwater work: