This is a person who is always on their own. They prefer their own company and do not make friends easily. They often find solace in books or the internet. They are alone
Why is she always on her own?, she's such a loner
This is how most teenagers talk, this is used to flirt and talk to other teenagers. Adults are wary of it and all assume we are talking to perverts.
Wanna talk later? - sure we'll talk on msn messenger
A very groovy vintage store in Hollywood, CA.
Person #1- Whoa man, where'd you get that rad sweater?
Person #2- I got it at Aardvarks on Melrose!