- gym (short for gymnastics) + shorts (Wiktionary)
“Denny adjusts the weight on the squat-lift machine, towering over me, his tank top showing off his strong biceps, his gym shorts revealing his prosthetic left leg. This leg, the one with the picture of Betty Boop, is named Betty.”
“His gym shorts rode up, revealing a long scar on his thigh, knotty with keloids.”
“He filled a suitcase with school clothes and threw in a bathing suit and his gym shorts and jockstrap from high school.”
Looking for tweets for gym shorts.