A phenomena that occurs when a group of people walk side by side, blocking the entire sidewalk in a phalanx formation. Can be either intentional or simply the actions of inconsiderate, oblivious people.
If that sidewalk phalanx does not let me through I might have to walk in the dirt!
by lolcatzzzzzz March 7, 2010
Get the Sidewalk Phalanx mug.