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 do something clumsily or awkwardly; to bungle.
A mistaken shot in golf.
A fogey.
The final boss character in a game.