When a straight man, other than a surfer, wears something (as an ornament) around the ankle which by definition makes him appear gay.
Lifeguard: "Everyone staying at this resort has to wear a colored band on their ankle if they're going to use the pool."
Guest: "I don't care what the reason, you won't catch me dead wearning a manklet."
(n) An ankle bracelet worn by a man, often with shorts and tennis shoes or sandals.
The man at the bar is wearing a manklet, and he should be slapped.