Pronunciation: (mug'wump"), [key]
1. a Republican who refused to support the party nominee, James G. Blaine, in the presidential campaign of 1884.
2. a person who is unable to make up his or her mind on an issue, esp. in politics; a person who is neutral on a controversial issue.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.