Noun
A tag stamped with a number, placed in a geocache (often attached to another item, called a hitchhiker) so that subsequent finders can take it to other caches and track its movement around the world.
Used other than figuratively or idiomatically: see travel, bug.
After my trip to New Zealand, I caught the travel bug: now I go abroad several times a year.
I got the travel bug when I was quite young. My parents took me and my sisters out of school and we travelled all over Europe. It was an eye-opening experience and, although I love Norway, I also enjoy visiting new countries. I don't get homesick. Magnus Carlsen
Once the travel bug bites there is no known antidote, and I know that I shall be happily infected until the end of my life. Michael Palin
My dad is a pilot so I think I was born with the travel bug. Isabel Lucas
When I was younger, my father was in the Foreign Service and we lived in Nigeria, Panama, and London, but for the most part I grew up in the South and D.C. I got the travel bug as a little person and I've bounced around a lot. Nicole Beharie
I've always traveled, as a kid my parents moved me around, a different place in Germany every four years. But I got the travel bug when I was a kid, living in different countries. Dominic Monaghan
A Travel Bug from Hong Kong attached to a Common Stored Value Ticket If a geocache has been vandalized or stolen, it is said to have been "muggled". Source: Internet