To be extremely drunk. So named in honor of the famous composer, Wolfgang Amadeus Mozart, who spent extended periods of time composing music while feverishly intoxicated.
Dude #1: "Dude, you were effin' Mozart last night."
Dude #2: "Yeah, I heard I composed all over Drew's van..."
Dude #2: "Yeah, I heard I composed all over Drew's van..."
by RHH January 27, 2009