Definition - What does Moose Knuckle mean?
A moose knuckle is more often than not, the male version of a camel toe. When a man’s pants or underwear are pulled too tight over the penis and, particularly, testicles, the bunched balls look somewhat like a moose’s toes.
Cherry Banana explains Moose Knuckle
While some people do find a camel toe sexually attractive, moose knuckles are almost invariably considered a joke and cause of laughter.