[Mogollon]

A maverick is much more like a donkey than an elephant.

Maverick = steer (castrated bull).

[MtnClimber]

And as a politician: As a verb, it means to seize something without holding a lawful claim to it. Wickipedia

It will soon become to be defined as stabbing your own supporters in the back and then being insane enough to expect them to like it.