I'm surprised Bo the waterdog hasn't run off from the former white house.
From the washingtontimes.com
Brandt, a martial arts teacher from Mira Mesa, baited a waterdog.
From the signonsandiego.com
Another jumped on a jig pitched around cover in eight feet of water, and another ate a live waterdog fished in 10 feet of water.
From the chron.com
She's called in three smoke reports which were not located and a false alarm after seeing a smoke-like mist, called a waterdog, that settled in the valley after a storm.
From the thenewstribune.com
More examples
Any of several large aquatic salamanders
A very confusing word; I'd advise you not to use it unless you define it first. 1) any animal of the genus Necturus, but not the mudpuppy (Necturus maculosus). There's a dwarf waterdog, the alabama waterdog, & many more. 2)a salamander larva; waterdog is to salamander as tadpole is to frog. ...