1 definition by Jade Messenger
When an ex-girlfriend, former love interest, or any other girl who hasn't spoken to you in a substantial amount of time decides to instant message you at the precise moment you're asking a girl out on a date via instant messenger.
Damn it! I've been trying to hook up with this girl for the past two days, and when we finally started to connect, Mel and Sarah decide to talk to me for the first time in months. Total IM cock block...
by Jade Messenger February 18, 2010