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 inappropriately, to misbehave.
To mismanage.
To act improperly.
Behavior that is considered to be unacceptable.