A friendly, energetic and playful domain which could be ideally suited to a social or crowdsourcing company.
The name "teemsy" has only six letters and only two syllables. Two syllable names make popular global brands. Successful brands using two syllable names include Lego, Pocket and YouTube.
Teemsy.com is a dot-com domain. Dot com domains are the most desirable top-level-domain in the world, used by famous websites like google.com. Once secured, a dot-com all but guarantees no-one else can outrank you for your own name in the long run.