Ninja

User of a trail in darkness, usually a jogger or pedestrian, clad entirely in black or other dark colors with no reflective gear or lights creating a hazard for themselves and cyclists because they cannot be seen until they are about to be hit. 
==Reference==
Derives from the legendary ability of medieval Japanese covert warriors of the same name to become invisible.
==Forum Introduction==
*New Crosswalk signs http://bikearlingtonforum.com/showthread.php?p=1166#post1166
==Links==
*"Ninja" - Wikipedia https://en.wikipedia.org/wiki/Ninja
Category:Forum Dictionary