Related Clues:

• Rack up higher cell phone charges
• Wander aimlessly (about)
• Don't stand still
• Give in to wanderlust
• ___ about (roam)
• Travel aimlessly, with 'about'
• Be a drifter
• Incur additional cell phone charges, perhaps
• Use a cell phone outside one's local calling area
• ___ about (wander)
• Nomadize
• Go gadding about
• Cover lots of ground
• Knock (about)
• Not follow a fixed route