Noun; The unsatisfied and disappointed feeling that arises when a trip to the shooting range ends abruptly due to unforseen circumstances before a single shot is fired. Similar to Blue Balls, but involving guns, not ejaculation.
"My buddy and I loaded up about 1000 rounds of ammo last night, and when we got to the range today, it was closed due to vandalism. Now we have a serious case of blue mags..."
by Thisguy41487 May 28, 2014
by Nicky Egss April 05, 2016
by rollingwriter January 18, 2017
by Doc Aut July 19, 2014
by I love crap November 12, 2008
Fast-mags is a rare occurrence where a man doesn’t need a moment of cool down after nutting and can just keep going.
by I eat crayons May 30, 2019
by Master Patrick Claire Thompson August 05, 2006