Urban Dictionary

An obstacle found in one's path that, while drunk, provides an incredible challenge to avoid. This includes cracks in the sidewalk, low-hanging tree branches, abnormal curbs, and members of the opposite sex who are of questionable attractiveness. Generally, these are ranked by class, or degree of difficulty: class 1 being the lowest and class 5 being the highest.

Vigilante justice taken against aggressive motorists or "cagers," by bikers.

The heavy U-lock used to lock the bike is used to do damage to a vehicle, like by taking off a mirror.

U-lock Justice is not legal justice, but it's the only justice some cyclists get for being hit by inconsiderate motorists.

The characteristics of a neo hippy.

Making a brief appearance at a party or social function for political purposes.

Involves giving "dap" (fist-pound greeting) to the host and other notables, then "dipping" (leaving) shortly thereafter. Sometimes used to describe an event that is not enjoyable and would not be worth attending were it not for the political motive.

A friend, maybe a best friend, who you get into trouble with and who is somewhat responsible for your actions.

(Verb). To make a quick and to-the-point phone call that lasts under 30 seconds.

An affectionate term for your mother.