Clumsily lacking in the ability to do or perform
Gervais starred as David Brent, the bumbling and clueless office manager.
While on the phone, be curious and play "Columbo," the world's most brilliant "bumbling" detective.
A bumbling franchisee can damage goodwill of the business brand by providing lousy service or cutting corners to produce substandard products.
Wesley Wyndham-Price (Alexis Denisof): Wesley, the bumbling junior Watcher from Buffy, tried to repurpose himself as a "rogue demon slayer."
bumblel, as a slightly bumbling stuffy Scot he seems to lack the gravitas that I'd want to see in a leader.