Definición de Bull Moose en inglés:
A supporter or member of the Progressive Party.
- Don't get me wrong - this Bull Moose is not completely in agreement with the Democratic donkey.
- Now, when you look at this closely, you find that John McCain says he's a Bull Moose, and all we're getting is a lot of flap, eh?
- There is another Bull Moose candidate for the Senate nomination.