Akin to the phrase "let my girls hang." When a male is in a comfortable situation such that he can allow his crotchal equipment free expression without clothing confinement or social condemnation. Best expressed either alone or in the company of an appreciative partner.
My girl is my girl in part because she loves to let my boys hang.
When someone calls a grown man, a boy or son. No matter if it’s slang in a friendly way, you respond with I got your your boy or son hanging. (Meaning your Dick hanging). The term is used to make sure that person never makes the mistake of calling you son or a boy again.
Ex 1. Person 1 - What’s up my Boy?
Person 2 - I got your boy hanging!!!!
Ex 2. Person 1 - Whats up my son?
Person 2 - I got your son hanging!!!!
When you’re hanging out with a boy with unclear intentions of it being a date or not
Naomi: Trang I just want to go hangout with the boy that I’m flirting with but he won’t get the memo…
Trang: Oh so you’re going on a boy hang.