If someone says they're 'not about that life' it means that they don't or won't do something relating to that subject. It can be used in a variety of contexts and can be about a lot of things but it mostly used to reject someone inviting you to do something because you don't agree with it/don't like what they're doing/just don't want to.
It can also be edited to fit the purpose more by adding in a word before the word life to describe what kind of life said person is not about.
Example 1-
Person 1: Hey, I'm having a Sexy Party this weekend, wanna come?
Person 2: Nah, I'm not about that life. I'm sure you'll be coming enough for the both of us.
Example 2-
Person: Want to take a picture with me?
Person 2: Nope, I'm not about that selfie life.
Another way to say that something doesn't fit a person, doesn't suit them, or isn't met for them. Commonly pronounced as "ain't 'bout datlife."
Sarah is so hot for Dave that she is acting like she's easy to get his attention, but she ain't about that life.
That geek Bill Nye watched way too much Breaking Bad and now he's trying to find a partner to cook meth with. We all know he ain't 'bout dat life.
She was talking shit about my best friend, so i punched her in the face instead of talking shit. I ain't fake, I ain't 'bout dat life.
bout that life originally referred to the florida law that gives 10 years for possession, 20 for firing, and life inprisonment for killing with a concealed weapon. if you are bout that life, you are willing to serve life in prison for killing a person. Later, bout that life was adapted to mean things such as being brave, popular, or 'down' for the respective crew.
The definition of you ain't about that life means that your not about to do something. You claim that you are but you don't, your to afraid and chicken out.
So your really gonna rob the bank? Nahh you ain't about that life, dog.
A bath consisting of a variety of slats, oils, soaps or any other added ingredients such as fruits, milks, herbs or any other spices for health or beautifying benifits.
She brought home alot of stuff and took it to the bathroom. She must be taking a witch bath.
While our lifespan is the number of years we will live, our healthspan is the number of healthy years we will have and our sexspan is is the number of years we will continue to be healthy enough to continue having an active sex life.
A lighthearted reaction upon receiving disappointing news of some sort. Usually something that isn't a particularly a big deal, esp. when it primarily affects someone else - sort of a mild schadenfreude. Sometimes doubled or tripled, and possibly said in a sing-songy voice for added comedic effect to imitate a muted trumpet, which is how the meme originated.