When a vehicle keeps blocking you from advancing on your way to your destination.

The Most common is to go slow while your behind him/her, or they can be assholes and just keep cutting you off when your trying to pass them
Wife: Why were you late getting home?
Husband: I kept getting car-blocked on my way home!
by Jobobo21 November 19, 2009
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When you're trying to speed on the highway and some asshole blocks your lane driving at or under the speed limit when they don't have to. Especially frustrating when the road is completely traffic free except for the guy ahead of you
Driver: Fuck!

Passenger: What?

Driver: I'm trying to get to class on time but this mook just cut me off going way too slow

Passenger: You just got car cock blocked

Driver: Feels bad man
by mr.snruB November 12, 2010
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when someone offers a girl a ride home in an overcrowded car with the intention of preventing consensual sex
the night was over and everyone was leaving and then miraculously she was offered a ride home in a 4 seater with 7 passengers by a master at the clown car cock block
by alwaysangry December 1, 2009
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