VERY GOOD ONES!"Minnesota twin?"
ABS [6 abdominal muscles --- don't know how I knew]"Dig deeply"
ADORE"Drop in the ocean"
EBBTIDE"Spot for a screwdriver"
BAR"Title character not in the cast"
BOMBS, FLOPS, TURKEYS, BUSTS, and DUDS make for a fun theme on failure. It would have been easy, however, to drop us a hint about the theme. At 39 Across the clue "Triumph" for PREVAIL might have been "Triumph, and the theme's opposite" or "Triumph, and a clue to the theme."