verb - pronounced bree-anna
1.) to be tall, nice, and friends with anyone and everyone.
2.) to be afraid of wearing your hair down.
3.) to enjoy 'your mom' jokes. and add "oooh-sssss!" after.
1.) That chick is like so cool, she's so brianna.
2.) I see her hair is a bun every freaking day, she's so brianna.
3.) She just said my mom goes to college! Tah... what a briana.