The act of one who bumbles; a mistake or error, especially through clumsiness.
present participle of bumble
lacking physical movement skills, especially with the hands
"a bumbling mechanic"
"a bungling performance"
"ham-handed governmental interference"
"could scarcely empty a scuttle of ashes, so handless was the poor creature"
Acting in a confused or ineffectual way; incompetent; showing little or no skill.