A really small jockstrap used in hockey. There's usually a guy on the team named Aiden who's tiny, so because they are small, the term Aiden Jockstrap is used to identify small things.
This eggplant from the supermarket is Aiden Jockstrap size.
looking for their small penis or genitals
Is your penis that small or are you echoing in your jockstrap?
An asshole who’s always touching a dick, specifically his. (Could fall into being an incel)