A small country (home) usually inhabited by a single father with his children living with him preventing the random hook-up or the ability to travel at will.
Friend: (12:00am call) I'm drunk and horny..come over
Dad: Sorry cant do it. I cant leave Cockblockistan
When one person prematurely trys to open the passenger door on a vehicle while the driver simultaneously trys to unlock the door, causing it to relock and keep the passenger outside.
"Hey man let me in the car already, it's cold out here!"
"I've been trying to, but you've lockblocked me like 5 times in a row now!"
The art and practice of cockblocking, generally in reference to intentional, rather than inadvertent, acts of cockblocking. However, this term can also be used to describe the tendencies of a person who possesses a certain oblivious demeanor that lends well to unintentional, albeit frequent, cockblocking activity.
This has to be at least the tenth timeStu has destroyed my chances. That guy's penchant for cockblockery knows no bounds.