Specific to pedestrians in urban areas.
The euphoria felt when, in full stride, you reach an intersection just as the 'walk' sign illuminates thus not having to slow down whilst simultaneously overtaking all the fools who'd been stood there waiting for the signal to change.
Dude: All this stop/go nonsense is getting on my nerves!
Dude2: Yep - I need to be hooked up with some green man ecstasy!
"It was the quickest walk from the bus stop to here - I hit like 5 Green man esctasys in a row!"