The male version of camel toe. When either pants or underpants adjust themselves so as to gather your genitals into a noticable bulge, regardless of the turgidity of the member. Also known as "putting your dick in a headlock"
Dubious Sexuality Guy 1: Dude check out that guy's camel toe
Dubious Sexuality Guy 2: Nah son, that's a monkey's fist and impressive!