It's an up and coming slang word meaning "super sweet" or "very cool."
That's so jaxxx. Kelly was so jaxxx last night. We had fun on the most jaxxx mb last night.
The hottest bitch in the world,I mean damn soooooo tapable yum I'd tap that!
You ain't seen hot till you seen Jaxxx
Damn That Jaxxx chick is the shit y'all