509.09 UNLAWFUL CONGREGATION ON SIDEWALKS, PUBLIC GROUNDS.
   (a)   No person shall congregate with others on the sidewalk, street corner, or within the parks or public grounds, with intent to provoke a breach of the peace; or whereby a breach of the peace may be occasioned by the serious annoyance to pedestrians or by threatening, insulting or abusive conduct to them; and refuse to move on when ordered by a police officer.
   (b)   Whoever violates this section is guilty of a minor misdemeanor.