What is the meaning of "Willfully annoy?" Grand Rapidians no longer have to worry about it.

Grand Rapids decided to strike an ordinance from their code book. It's one from 38 years ago, and it made it a crime for one person to "willfully annoy" another person.

Article here.

The city attorney recommended repealing the language, saying it’s “subject to a variety of interpretations” as to what exactly is annoying.
“It’s unconstitutional in terms of being vague,” City Attorney Catherine Mish said. “It’s simply unenforceable.”