As you probably know a group of cattle is called a herd, a group of fanatics - fans, a group of girls who follow rock groups - groupies, a group of larks - an exultation of larks - etc. Also the following could be helpful some RRs:
- A Declention of Dorks
- A Novitia of Nerds
- A Dweeb of Dweebs
- A Claustrophobe of Weenies
- An Intervalic Suspension of Homophonics
- And A Bustickettobuffalo of Narrons