When a man is masturbating to a video on his laptop, but just when point of finishing happens his laptop dies leaving him unable to finish.
by doubledecker100 March 25, 2011

When there is a row of cars all traveling at the same speed on a highway with no one in front of them while restricting everyone else behind them from moving forwards freely.
Thanks to those inconsiderate barbarians that decided to create a vehicular cock block I ended up missing my flight.
by darkestbeforedawn June 13, 2015

Bro: What happened to that one girl you were talking to?
Me: She was being a bitch so I cock n block'd her
Me: She was being a bitch so I cock n block'd her
by wesley walker December 21, 2021

A guy and a girl sit down next to each other body language facing one another. The cock blocker then pulls up a chair and sits between them.
Person 1: why’s that guy interrupting a two person conversation?
Person 2: oh you mean Jason? He’s about to assume the cock blocking position.
Person 1: why’s that guy interrupting a two person conversation?
Person 2: oh you mean Jason? He’s about to assume the cock blocking position.
by Unblockmycock September 14, 2020

A self (cock block) is when you are in a sexual situation but your nervousness prevents you from gaining an erection.
Todd: You hook up with that chick we met at that concert yet?
Kyle: I was gonna but I was self cock blocked cause she was (a score)
Kyle: I was gonna but I was self cock blocked cause she was (a score)
by Foreskingamer69 July 24, 2019

by Bitchum May 3, 2016
