Refers to the person one is addressing, when giving caution or advice, indicating that the person is inferior in some way. It does not necessarily refer to a relationship
Now, look here, my son, I said; you're a kid and a know nothing.
my boy
Turkish pronunciation
may boy
Pronunciation
/ˈmī ˈboi/ /ˈmaɪ ˈbɔɪ/
Etymology
[ 'mI, m& ] (adjective.) 12th century. Middle English, from Old English mIn, from mIn, suppletive genitive of ic I; akin to Old English mE me.