To take up a firearm against a political candidate or position you disagree with. Coined by the media in response to perceived violent rhetoric in the 2010 election campaigns. A variant on Senate candidate Sharron Angle's assertion during a debate that her opponent, incumbent senator Harry Reid, needed to "man up."
"Sure, the Republicans use homophobia to "gun up" thier base but it's not working very well any more, the noticeable exception being old people." - David Brock, CEO of Media Matters of America, on Hardball with Chris Matthews, January 12, 2011
by The Mind of Matt January 14, 2011
To be willing to go to the ultimate defense of freedom, an armed defense of the people against a tyrannical government or any other threat, "gun up" still yet means to be prepared in all events to help and sustain the people, specifically that of the American people.
by Liberty not tyranny March 08, 2017