Related Clues:

• Give in to wanderlust
• Be a drifter
• Incur additional cell phone charges, perhaps
• Use a cell phone outside one's local calling area
• Nomadize
• Go gadding about
• Not follow a fixed route
• What buffalo do in 'Home on the Range'
• Act the gadabout
• Go aimlessly
• Be a vagrant
• Wander freely
• Travel about
• Be a rambler
• Be a rover