look up any word, like dirty sanchez:
 
5.
when one or more people do something comical or act in crazy ways.
stop head-butting people you jagaloon!
by Otzi March 26, 2009
 
1.
Any one adult person who engages in acts of a mentally retarded child. Someone who clearly demonstrates a lack of commitment to maturity and the responsibilities that come with it.
Dr. Doback in Step Brothers to his 40 year old son living at home who cant get a job or act like an adult:

"You Jagaloons! You're FAILURES!!"
by mahatma ice August 04, 2009
 
2.
The guy in a bar who wears a (pink) polo shirt, two sizes too small, with a popped collar; and probably drove there in a Honda Civic.
Bra 1: I Just ordered that Jagaloon an appletini.

Bra 2: Good, that will go nicely with the bag of dicks he’s about to eat.
by PhuzzyLogic July 13, 2009
 
3.
A small child that acts crazy/retarded.
Noah and Jacob are being real jagaloons!!!
by chicago416 May 04, 2009
 
4.
The guy in a bar who wears a (pink) polo shirt, two sizes too small, with a popped collar; and probably drove there in a Honda Civic.
Bra 1: I Just ordered that Jagaloon an appletini.

Bra 2: Good, that will go nicely with the bag of dicks he’s about to eat.
by PhuzzyLogic July 13, 2009
 
6.
One who engages in general Jagaloonery.
The Baltimore Ravens are a bunch of Jagaloons.
by The one who hates the ravens January 19, 2009
 
7.
A person, preferably a man, who is social awkward. Usually has a "deep in thought" look on their face, even though this person rarely thinks. Can being knocked down by a weak gust of wind. Commonly referred to as a, "Steven Plaisance." A person who acts foolish, strangely, or ignorantly. Jagaloons should be kept out of reach of children and monitored around small animals.
The only thing worse than being a loseroni is being a jagaloon.
by ralven March 16, 2011