This one is for the insanely bad-acted, the outrageously gory, and the intolerably low-budgeted. You share a "-2" for fun. You share a "-3" for shock. When you need to win an argument about crazy movies, this is it. It's as rare a rating as its positive counterpart, needing to meet specific characteristics of lunacy, because it's a steep slope from here into an unwatchable mess.