What is Your Boy?
Your Boy meaning What you refer to someone as when you don’t want ownership, responsibility or relation to them. ‘Seaman Dumbshit over there is your boy.’ ‘He isn’t my boy.’ ‘Oh, no, you’re boys.’ Alternatly ‘What’s goin’ on with your boy?’ is fairly standard. Also referred to as ‘Yankee Bravo,’ which is phonetic alphabet for the letters Y and B.
reference: –What is