Gtn

Good to know

Gtn man

gtn

go to nigga

Girl. My gtn is acting up , I'm going to have to stop texting him.

GTN

Gone Till November - Going out of the city to sell drugs.
Can be used to say you’re going far away or unreachable.

I’ll be GTN, see you later.
He’s GTN, you wont be hearing from him for a while.