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3.
Unusually amazing individual who could be a lady killer if he knew where to find kick-ass ladyz.
Wow, look at that guy hitting on Gwyneth Paltrow! He's such a Gannon!
by British Swingmaster September 24, 2008
 
1.
Displaying the face of your hand in front of you in a wide-set confident manner, alluding to the five-finger-blessing of THE Rich Gannon.
Did you see the Gannon on that guy?
by Irish_dawg00 March 20, 2013
 
2.
pirate ninjas that enjoy the following:

-speaking spanglish (the word 'tortuga' may be thrown around often)
-sarcasm
-being completely BA
-dominating
-being witty and hilarious

A Gannon is also:
incredibly attractive
extremely intelligent
witty
studly
Irish
legendary
the envy of all others
-"Did you see that amazing person?"
-"Yeah...They must be a Gannon"
by cokes o'gannigan October 24, 2009
 
4.
A complete chode who lives in a basement and works at a bank. Often seen smoking pot and or rubbing off men. People compare the IQ of a Gannon to the IQ of your average soup spoon. If you are in the presence of a Gannon making a gargling noise will often drive away such a beast.
Phil- Oh looks it's Gannon
Austin- Oh you mean that bitch?
Phil- Yeah exactly, Gannon!
by Richard1234 April 22, 2013
 
5.
--Verb
1. To collapse or to fall down.
2. To completley fail or to be dumb.

--Noun
1. To have no friends or to be an outcast
2. Someone who trys to fit in, but can't fit in and doesn't realize it.
3. A non-architect.
"My house just gannoned!!!"
"Oh no! I completley gannoned my test! My mom will kill me!"
"If this project gannons, all my friends will hate me and I will become a Gannon..."
"That was such a gannon move."
"Hey guys how's it going!" "Why are you talking to me? Geez, you are such a Gannon."
"You just don't understand, that is a Gannon house and will eventually gannon like all your other designs."
by Jeff Ryan Blake the III May 22, 2012
 
6.
1) a person who has very strong hobbit traits. usually found in little caves and caverns in the craig, co area.

2) a person who has an enlarged buttocks area. commonly reffered to them as a J-Lo or ghetto ass.

3) a person who lives by: mud, slingin and tires. but knows nothin about either.
1) hey u look like a gannon.

2) that must be a gannon hobbit.

3) dang check out that fine chicky gannon. thats one fine ass.
by outlawknox February 04, 2010
 
7.
A subgenus of douchebag prone to creating 'wacky' urbandictionary.com entries defining their own surname with unimaginative adjectives such as 'studly' and 'witty'.

Distinguishing marks include:

-"Wacky" ties
- Tendency towards jokes based on advertising slogans
- Thinks others believe they "should definitely do stand-up"
-"Did you see this dipstick calling himself a pirate ninja?"
-"Yeah...They must be a Gannon"
by Darth Voorhees December 08, 2009