To be overly flaunting with actions to show off what someone is doing or what that person is trying to act like they are.
She is going to get busted and go to jail for being a drug dealer because she's being too flauntacious by showing off and letting everyone know what she's doing.
a sickness that has recently become an epidemic. All the wannabe skaters wear flannle shirts so they look cool because they cant really skate at all but they try.
i think that guys flantagious man he has a sick flannle but his skate skills suck. what awannabe.