A person whom changes 'social groups' regualarly and changes to fit in. This can be for many reasons:
1. They want to be accepted by all people and thrive off popularity.
2. They switch groups everytime they get a new partner..of whom they 'love' after a short while.
3. They follow the trends of these so called 'famous' people, thinking that it is the cool thing to do. paris hilton
comes to mind.
lisa: ''whats up with jane? she was with friends with us yesterday but now she's with those emo's''
kate: ''she just thinks she's cool...she's such a social floater''