A potent alcoholic beverage served by directly pouring seperate components into the recipient's open mouth, thereby eliminating the need for glassware and ensuring immediate intoxication. A popular combination is Baccardi 151 Rum and Coke. A spew rag should always be kept nearby.
Dude, we did so many mouth mixers at Dave's last night, I blew chunks for two days.
by ted December 08, 2004