A person who is not paying attention during a game of cards preventing the game to proceed.

For any cars travelling on the interstate in the fast lane that go the same speed as the car in the slow lane. This essentially blocks all cars from passing them.

The Asian Roadblock is when a group of Asian students spread out over a sidewalk or other heavily trafficked walking route and decide to walk at 0.2 feet per hour. This phenomenon has been noticed at all universities across North America; experts speculate that it is a scheme set up by Chinese agents in order to stifle the progress of Western higher education.

A Mexican-roadblock occurs on a two or more lane road where 2 (or more) cars are traveling next to eachother at the same speed (usually under the speed limit), not allowing the following traffic to pass. Most noticeable on the highway in a light traffic situation, where two cars stop the flow of traffic wishing to pass.

A female bodybuilder; derived from the Devine ability to stop traffic with sheer force of muscle.

When you're fucking a girl in the ass but there is an incredibley hard shit in the way.

When two cars are driving the same speed in both lanes blocking the road for anyone who wants to pass.