nagger

And it was proof of Nagger's quality that he did not have to veer from the stallion's course.

When he reached level ground he kept to the edge of the left slope and put Nagger to a good trot.

This horse Nagger appeared as unique in his class as Slone was rare among riders.

I felt awfully sorry for them,—you see I know Nora is a nagger, she tries it on me sometimes; but they were making a horrible din.