1. When Bonni foils finnys plans by calling up finnys girl. Thats true cock blocking!
2. Bonni, Joby, Sunil and Sajan goin over to Bino's house When Bino and his special someone are at the house trying to get it on; thereby stopping any chance of getting any that night!.
That is referred to as tag team or Group Cockblocking
When someone blocks you from scoring with a chick. Literallyblocking your cock from going into her pussy.
I wanted to go on a trip with my friends but i had a girlfriend. It was a trip to Amsterdam and i told my girlfriend nothing was going to happen and I would be faithful. My friend, Alex Barnett, went ahead and told her I wasn't going to be faithful. She went on a break with me. " He cock blocked me"