A perfect domain for the teenage market, combined with the word "tag" which could signify hashtags (like on Twitter), personal identify (your "tag"), or exchange from one to another (to play "tag").
The name "teentag" has seven letters and only two syllables. Two syllable names make popular global brands. Established brands using two syllable names include Delta, Walgreens and Hilton.
This domain was first registered in September 2004. Older domains have an advantage when ranking in search engines.
Teentag.com is a .com domain. Dot com domains are the most valuable top-level-domain in the world, used by famous websites like facebook.com. Once secured, a .com all but guarantees no-one else can outrank you for your own name in the long run.