Originating from the Harry Potter books by JK Rowlings.

1)A non magical person
2)A 'normal' person
3) A person not involved or aware of your social circle's activities
Ex 1 & 2) Harry Potter's uncle, aunt, and cousin have no connections to the magical world or magical abilities, and are referred to as muggles.

3) A group of geocachers, role-players, harry potter fans speaking of a non-roleplayer/geocacher/harry potter fan etc... "I tried to explain it to her, but she was such a muggle. She didn't get it." or "Avoid the muggles, they're all over the park this afternoon."
by Conconhead November 18, 2004
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A human with no magical abilities/skills or knowledge
For example,"That man right over there, can't teleport himself. He's a (muggle)."
by Diyalized March 21, 2016
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1. (noun) A person who possesses no magical skills or abilities (originated from the 'Harry Potter' novels).

2. (noun) A colloquial term for marijuana. The word 'muggle' can be pluralised to 'muggles', and still retain the same meaning.

3. (verb) A colloquial term for the action of smoking marijuana.
1. "The Dursleys were what the wizards called Muggles (not a drop of magical blood in their veins)" (extract from 'Harry Potter And The Chamber Of Secrets', by J.K. Rowling).

2. (Said to employee at drive-through:) 'I'll have a Big Mac, fries, a Coke... (whispers:) and a dime bag of muggle(s)'.

3. 'Quick, five minutes before Math starts, let's muggle up!'
by FooBoy June 8, 2004
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Any person who has no knowledge of the sport of Geocaching and who causes geocachers to become surreptitious about their activities in order to avoid a cache becoming exposed to non-geocachers. Also referred to as a GeoMuggles
The geocacher found what he knew must be the cache site, but waited until the muggles left so they would not see him and possibly plunder the cache.
by AmishHacker May 11, 2004
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A non-magical person.
Harry lived with the Dursleys, some of the most awful Muggles a person could live with.
by HPFanatic06 January 11, 2010
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A normal student who is not an athlete at a university.

(closely related to a Mudblood)
"Brett is a muggle because he is not an athlete, but is a part of a fraternity."
by qpacsluts April 4, 2011
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A stupid non-magic user. Useless person with no purpose.
by HeyItzFae August 7, 2018
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