mill_about
1. [ verb ] be about
Synonyms: hang_around linger loiter tarry lurk mess_about loaf lollygag lallygag footle mill_around lounge
Examples:

"The high school students like to loiter in the Central Square" "Who is this man that is hanging around the department?"

Related terms: be prowl loiterer
2. [ verb ] move about in a confused manner
Synonyms: mill mill_around
Related terms: move