To incompetently perform (a task); to ruin (something) through incompetent action; to botch up, to bumble.
To act or work incompetently; to fumble.
A botched or incompetently handled action or situation; a blunder.
To behave, in a management capacity, in a manner which is inept, incompetent, or dishonest.
To manage an area of responsibility in a way which is inept, incompetent, or dishonest.