League of Extraordinary Cockblockers 

An organized or loose alliance of friends, acquaintances, co-workers, and classmates who overtly or accidentally conspire to keep one from engaging in sexual relations with another or laying the foundation therefore. SEE: Josh, Mike, Mauriah, et al.

I could have gotten all kinds of ass at the party last night had the League of Extraodinary Cockblockers not been there to fuck my shit up.

League of Extraordinary Cockblockers by big July 31, 2003