Acronyms for Making Out Under the Influence, may be said as acronyms or pronounced "moo-wee". Derived from DUI: Drinking Under the Influence. Usually occurs at drunken parties between two (or more) persons who would never make-out without the presence of alcohol. May be used as a verb by adding -ed or -ing.
I had a little bit too much to drink and MOUI-ed the bouncer.