The unfornutate condition in which one arm is larger and more heavily muscled than the other. Men claim that this is the result of playing a lot of tennis, but generally the real culprit is vigorous masturbation.
Mom: "if Timmy doesn't stop playing so much Tennis he'll wind up with Tennis Arm"
Dad: "...and if he doesn't start putting a sock on it we're going to have to throw away his bed sheets!"
Dad: "...and if he doesn't start putting a sock on it we're going to have to throw away his bed sheets!"
by squiggular November 27, 2021
when your forearms and hands are incredibly tanned and your upper arms are totally pasty
usually from playing tennis
usually from playing tennis
by chairman mao tse-tung March 6, 2008