Geocaching is a popular "treasure-hunting" activity using GPS devices to track down a "geo-cache"; a small container containing different trinkets. However, not everyone is familiar with Geocaching, and those that aren't are called "muggles". The Oblivious Muggle: Muggles that are.
"Muggles are non-geocaching folk. They like to report suspicious behavior and if possible, investigate what we are doing and sometimes take.
Ready for my first geocache super excited but weary of muggles!!! What are they? Cheaters? commoners? serious question, by the way!.
Caches disappear quite often, and it's blamed on muggles. People who don't know geocaching find a cache and might not put it back nicely.
What is a muggle you ask? In 'Geo-Speak', a muggle is a person that does not geocache, and most likely has never heard of geocaching.
A muggle is a word taken from the Harry Potter movies. A person In the same way a muggle is a person who doesn't understand what geocaching is. So you.