Urban Dictionary: Madicon

1.	Madicon
	A sci-fi and gaming convention that has been running on the campus of JMU for over 20 years. "Hey, did you see all the nerds on campus?" "Yeah, it's that Madicon thing again." buy madicon mugs & shirts convention sci-fi anime gaming nerd by JMUNerd Feb 22, 2012 add a video
2.	madicon
	A bastardized Spanish version of mother-fucker Besa me coolo, madicon! (Kiss my ass, mother-fucker!) buy madicon mugs & shirts fucker jerk asshole jackass dickhead by miaham Jul 25, 2008 add a video