Botch

23 clues
Flub
Blow
Mess
Muff
Ruin
Mangle
Bungle
Gum up
Bollix
Fiasco
Muck up
Mess up
Louse up
Screw up
Foul (up)
Bungle badly
Ruin clumsily
Mend clumsily
Make a mess of
Ruin recording
Make a hash of
Ruin by clumsiness
Washington band that will clumsily ruin something?