When one of your arms is bigger than the other. Usually your dominant arm.
"Hey Jack, your drummer arm is awful!"

"I know bro, my left is so much larger than my right."
by DaRoffle February 18, 2015
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Well-endowed man attracted to mature, but attractive, deaf women.
As a one-armed drummer, he loved to pick up at the local Applebees.
by Michael Hurd January 7, 2023
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