|1.||rolling a one|
Failing at a task or fumbling a job/task/situation; usually something simple. Based on the twenty-sided dice system used in games such as D&D, in which rolling a one usually constitutes an automatic failure (called a "fumble").
When he was unable to repeat what his Professor had lectured at him, James made a claimed of rolling a one on his "Listen Check".
|2.||rolling a one|
Slang term for not coming into work by rolling dice and getting a 1.
"Hey where is wacho?"
"He rolled a one."