Top definition
Someone who is completely oblivious to the fact that traffic is completely stopped on the other end of a large intersection and continues to drive out into said intersection simply because they have a green light.

When the light turns red and the crossing traffic gets a green light, there is now nowhere to go because this moron is blocking traffic, creating a gridlocked situation in extreme cases.
I was 25 minutes late for work today because some gridlock douche turned Route 9 into a parking lot near the mall.

I stopped at the green light because I could clearly see traffic was bumper-to-bumper on the other side. So when the jackass behind me started beeping I yelled back, "Sorry, I'm not a gridlock douche like you."
by Pilotguy44 October 06, 2009
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