1) verb. To Jennifer Aniston is to go out in public without wearing a bra
2) noun. An actress. Got her start on Friends, and has been in many movies since. It appears that she fails to wear a bra whenever she is seen on camera.
1) "Yep, I'm sick today. Not only am I not getting dressed to go to the doctor, I'm Jennifer Anistoning it"
2) "What was that movie with Jennifer Aniston in it? Was it Bounty Hunter?"