How's my boy?

How's my/the boy?

slang How are you? A greeting directed at a male. Hey, great to see you again! How's my boy? Hi Murray, how's the boy?
Farlex Dictionary of Idioms.

How's my boy?

 and How's the boy?
Inf. How are you? (Male to male and familiar. The speaker may outrank the person addressed.) Bob: How's my boy? Bill: Hi, Tom. How are you? Fred: Hello, old buddy. How's the boy? Bob: Hi, there! What's cooking? Fred: Nothing much.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • How's my/the boy?
  • oh
  • Boy, oh boy!
  • boy oh boy
  • mama's boy
  • Boy!
  • boy
  • man and boy
  • backassed
  • howdy