bungles
bun-gles
verb
Performs a task or action clumsily or incompetently, often making a mess of it.
"He often bungles simple instructions."
noun
Clumsy or incompetent mistakes or failures, often causing problems or embarrassment.
"His repeated bungles cost them the contract."
Thesaurus
Synonyms: blooper, boo-boo, bloomer, boner, botch, flub, blunder, bungle, foul-up, fuckup, pratfall, spoil