prock block 

to use another to prevent someone you don't like getting some pussy.

"that dickhead, i'm gonna get his mate to prock block him"

prock block by kakaBOOOOOOOOOOOM May 3, 2007

prock block 

a cock block by proxy.

to cock block on behalf of a friend to maintain his anonymity.

"dude, some guy is hitting on that girl i like! i need you to prock block for me."

prock block by newsgroup April 29, 2007

Proc Block

When you're so pumped and feeling super productive but the computer can't keep up with you, causing you to lose productive energy

Ben was proc blocked by Jira being slow as hell, so he's riding his bike instead of fixing bugs.

Proc Block by TheJerm September 9, 2014

pcockblocking 

noun . doing non-important things to keep another person form using a computer pc

fiddling around doing nothing important on a pc , but not letting anyone else use it .

Jim:can I use the computer now ?
Mary :no !! , im checking my Facebook
*five minutes later *
Jim : can I use it now ?
Mary :no , Im checking my Myspace !
*twenty minutes later *
Jim :how about now

Mary : no , I need to check my Twitter,Stumble upon , Google Plus , Gmail, Yahoo, and Aol.........then you can use it !!
*one hour later *
Jim : please , let me use it !!!!
Mary :one sec , let me check my Facebook again ..........
Jim : STOP PCOCKBLOCKING ME !!!!!!!!!!!!!!!!!

pcockblocking by Whomever I. Wannabe December 30, 2011