Roadblack 

When black people either walk slowly or stand around in high-traffic areas in large groups, blocking others from reaching their destination. Walking through a roadblack could cause verbal or physical attacks. It is best to avoid such attacks by avoiding roadblacks all together.

Tom, slow down! Don't blow through that roadblack!

WHAT DA HELL?!?!? WHAT CHO PROBLEM?!?!? (punch, slap, biff)

Roadblack by fartgeyser November 7, 2007

Roadblack 

Being blocked in hallways/on sidewalks by a group or single black person walking extremely slow.

I was late for class because I was caught behind a roadblack.

Roadblack by Darby022 July 19, 2010

Indian Roadblock 

When you want to blast your girl in the ass, but you can't cause there is a torpedo in the launcher.

You're going to fuck a chick in the shitter, but there is a turd in the pooper, thus stopping your pork sword from slaying the hole.

"I'd love to take it in the dumper tonight hun, but I've got an Indian Roadblock on board."

Indian Roadblock by davisonfire September 10, 2011

poop roadblock

when you are fingering a girl in her ass and you feel shit.

I was going to fuck Christie in the ass but I felt a poop roadblock and got scared.

poop roadblock by dunnyjake June 20, 2013

Chinese roadblock 

Setting the speed of your vehicle on the highway to that of another vehicle in the next lane that is currently driving no faster than the speed limit to punish drivers behind you who have been tailgating you for miles. This generally only works on two-lane highways.

This jackass behind me has been riding my bumper for 10 minutes. Let's set up a Chinese roadblock and see if we can get him to have a coronary.

Chinese roadblock by A-Damage April 7, 2011

Chav Roadblock 

A large group of Chavs who stand directly across a road (Blocking the road off) to stop cars, it makes the road totally un-drivable, and is a real nonsense for road users.
The act is to block off traffic and/or block off the police, this act shows unity between the Chavs, and makes them feel very powerful.

Chav 1: Dude that Chav Roadblock pwnzed last night
Chav 2: Ye mate, that shit was wack.

Chav Roadblock by Tom Santos March 25, 2008

mutual roadblock 

When you and someone else are walking towards each other in an attempt to pass each other. You move to one side to pass them; they move to the same side to pass you. You move to the other side so you can escape the situation; they try to do the same thing. You are roadblocks of each other until one of you decides to stop and let the other walk by. Regardless of any ill will by either participant, the incident can be really, really annoying.

Me and Stan's mutual roadblock lasted for twelve seconds. Then we each thought the other was being an asshole. We worked it out, though.

mutual roadblock by Tez, a man April 4, 2010