Blow, 5 letters
Bungle, 5 letters
Bungle badly, 5 letters
Flub, 5 letters
Foul (up), 5 letters
Louse up, 5 letters
Make a hash of, 5 letters
Make a mess of, 5 letters
Mess up, 5 letters
Mismanage, 5 letters
Muck up, 5 letters
Muff, 5 letters
Ruin, 5 letters
Ruin by clumsiness, 5 letters
Ruin clumsily, 5 letters
Screw up, 5 letters
Screw up royally, 5 letters
An embarrassing mistake, 5 letters
Clumsy Robin Hood of the West?, 12 letters
Made a mess of, 7 letters
Messed up, 7 letters
Muffed, 7 letters
Ruined, 7 letters
Plastic surgery patient's dread, 10 letters
Printer jam, for example, 10 letters
Made a mess of, 9 letters
Blows, 7 letters
Bungles, 7 letters
Messes up, 7 letters
Baker's mistake?, 14 letters
Blow, 7 letters
Bungle, 7 letters
Make a mess of, 7 letters
Create disorder, 15 letters
Create disorder, in a way, 15 letters
Poorly done, 6 letters
Someone who makes mistakes because of incompetence, 7 letters