Possible Clues:

• Roamed, rambled
• Roamed, roved
• Rambled with no particular destination
• ''I ... lonely as a cloud'' (Wordsworth)
• Got sidetracked and we ordered wine
• Moved aimlessly
• How the magician might have waved a broken reed when he did not go straight
• Got off topic
• Rambled, roamed
• Walked aimlessly