The leftover spillage from errant shot pours which funnels into the rubber barmats which bartenders typically divvy out to least-favorite patrons at the end of the night - "Hey, this one's on me!"
A jerk walks into a bar (lousy tipper or loudmouth prick) and the bartenders start "missing" a few pours, especially with more exotic liquors (and lots of them). Eventually, there's enough in the barmat..."I think THAT guy deserves a barmat shot...this one's on me!"
by Obipunkenobi December 14, 2013
the feeling of which someone has the need to spit so much fire that one may need to call the fire department
by Lyrical_Genius November 03, 2015