What is Young Old Boy?
1.
Half-brothers and step-borthers are also sometimes described in this way.
It is mostly only used in the genetic sense but is seldom used in terms of emotional bonds.
Excerpt
Person A: Aren't you somebody's little brother?
(person's B's response here)
Kempstonian person: Yeh, they're my young old boy.
See 
Random Words:
1. 
a tool for measuring exactly how cool any given situation was, is, or is going to be
Like Prince was, is, or is going to be there.
&qu.. 
1. 
obvious, of course it is.
if you dont understand the slingspeak check out the Urban Dictionary.
See sling, slang, slung, speak, sleek..