Evergreening 

Evergreening: To accidentally block or hinder progress via unintentional blockade.

Hey Bob did you catch the latest Evergreening?
No,what now?
Whole on ramp this time.

Evergreening by Gas-Giant January 27, 2022

Evergreening 

The act of holding up a queue of people, vehicles, etc. by standing still, either voluntarily or involuntarily.

Named after two separate incidents in which traffic was brought to a standstill by Evergreen vehicles in March 2021 - once in the Suez Canal, and once on a freeway in China.

Those damn construction crews are evergreening the intersection.

Evergreening by Great Big Pillock March 29, 2021

Evergreening 

To block something to the point that nothing else can get past.

There were so many people evergreening the Walmart on Black Friday I couldn't get past the doors to buy a PS5

Evergreening by soulmanpt March 29, 2021