Secretly Not Alright. Usually used to describe someone that doesn't like explaining their feelings or feels a need to keep them a secret. When things are not alright, but no one knows. Kind of like a fake smile.
"What do you mean she's depressed? She's always smiling at school"
"You see her smiling but I know she's SNA."
Side
Nigga
Association
A group of men who purposely choose to become a side nigga due to not wanting to cuff a girl
One might become a member so he can fuck bitches without commitment
Homie #1: Bro I just fucked this one girl and she had a whole boyfriend
Homie #2: finally joined the SNA I see
The only actual definition of sna.
Meaning: swag or okay but in a cooler way 😎
Regina: Omg that skirts so pretty where did you get it sna?
Some girl: it was my moms in the 80s sna!