by Missy August 24, 2004
Get the Johnboysmug. by well pretty much yeah September 6, 2010
Get the johnboymug. by a good friend of jb November 23, 2006
Get the johnboymug. Having an elevated level of self confidence for no reason. Interrupts any story you tell just to point out how he did that better.
"Yo this dude came up when I was doing a shot and interrupted me to tell me how my drink choice is retarded then started a fight what fucking johnboy"
by Pumagriff June 14, 2018
Get the Johnboymug.