L is for Lummox

: a clumsy sod

“Please be careful!” Jemima pleaded as the lummox of a mover bumped her taxidermied narwhal against the wall for the sixth time. He rolled his eyes at her and gave an indignant snort of defiance. Jemima would rate her experience as moderately satisfied on her customer feedback survey. She was too polite to be honest.