nagger

I always said, you know, that you would have become a first-class nagger if you hadn't had such a keen sense of humor.

Then there is the nagger with a tongue-will of poiseless perpetual power but—thought-proof.

It seemed merciless to Nagger to drive him down into this hot, windy hole.

Nagger neighed a blast in reply and pounded the rock with his iron-shod hoofs.

He believed Wildfire had crossed easily, and he knew Nagger could make it.