Phrase used to describe a friend or comrade. Someone with whom one has had a long standing relationship with; used to describe brotherly and philanthropic persons.
What's up "my nine"? Want to grab a bite to eat?

What it do "my nine"? You tryna get turnt tonight?
by smadamal August 11, 2016
doing something that makes you a man, putting two 9's together one backwards and one normal, makes a penis and balls
kid 1- "shit man, hes gonna kick my ass."

kid 2- "naw son, ill kill him. time for me to earn my nines."
by nine five October 20, 2009
A euphemism for "suck my dick" - nine is generally considered the ideal length for a man's schwanz.
Jake: You are fat.
Sarah: Suck my nine bitch!
by tainted2788 May 8, 2006
this is a euphemisim for "suck my dick" considering that most guys think that 9 inches is the ideal length.
"what do you want to do tonight?"

"suck on my nine bitch"

"you're an asshole"
by beavuhh October 17, 2009