walk around (Verb) — Walk with no particular goal. ex. "we were walking around in the garden"
walk around (Verb) — Walk around something.
walk around (Verb) — Behave in a certain manner or have certain properties. ex. "He walks around with his nose in the air" ex. "She walks around with this strange boyfriend"
walk around (Verb) — Walk randomly. ex. "We were walking around in the neighbourhood to see whether we could find an open pharmacy"