Top Definition
The ultimate form of cock-block, when not only is the girl you are talking to creeped out but every girl within a 100 mile radius.
Dude this girl was totally into me, then this tall gumpy kid with no personality just straight up kossblocked me. I havent been laid in 34 years
by beingrealemo February 25, 2011
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.