Definitions by NYCRunner

Lancebag 

A person who rides his bicycle on public excercise paths as if they are competing in a major race. They are typically subpar riders and are rude. Sometimes they wear yellow jerseys.

Mike: Did you see the cyclist in the park on Sunday wearing a yellow jersey and yelling at all the pedestrians?
Ike: Yeah. He's such a lancebag. What did he think it

was the Tour De Central Park?

Lancebag by NYCRunner October 26, 2011

commutercise 

The act of travelling to and from work by physical means(running, biking, skating, roller blading, etc.) instead of using mass transit or a car.

Sid: How crowded was the subway this morning?

Nancy: I wouldn't know. I ride my bicycle everyday. I commutercise.

commutercise by NYCRunner August 30, 2010

Urban Footprint

A measure of the amount of space that people use when in public places like sidewalks, exercise paths and public transportation(trains, buses, etc.)

Joe: Did you see that guy sitting across 2 seats on the train yesterday?

Mike: Yeah. He has a huge urban footprint for such a small guy.

Urban Footprint by NYCRunner July 27, 2010