New addition: FLASH MOB. Google hits: 15,000. Domainsurfer domain name hits: 1. Trademark applications: 0.
Memes already being watched: WEAPONS OF MASS DISTRACTION (36,000 Google hits); and METROSEXUAL (8,800).
Update: Just came across The Word Spy 100. METROSEXUAL is no. 1, FLASH MOB is no. 2.