an insult used instead of the word loser which has became boring and fuetile in todays culture, someone whom choozes to mooze, consisting of the word moozer and choozer,
a loser whom is that way because they have chosen to their own downfall
"Moozadell" is slang for mozzarella cheese, of a Southern Italian dialect (Naples, Calabria, Sicily), referred to on the Sopranos. Sometimes also said "Moozarell'".