A guy that you should never have any contact with. He is worthless and horrible. He cheats on every woman he has been and will ever be with. His real name is defined on the cheaters website. STAY AWAY FROM THIS MAN.
Person 1: Who is that guy that's cheating on his wonderful girl with someone like that thing?
Person 2: He goes by JR.
Person 2: He goes by JR.
by SkiesAreDark January 26, 2013
 Get the JRmug.
Get the JRmug. by Anonymous April 28, 2003
 Get the JRmug.
Get the JRmug. by Anonymous April 25, 2003
 Get the JR.mug.
Get the JR.mug. A woman friend of mine is blocking my messages. Although I am upset maybe she is teaching me a lesson and is jr. I hope she stops blocking me some day soon
by St. Ias December 28, 2005
 Get the jrmug.
Get the jrmug. football player: Who is that running cross country cuz he thinks hes hot shit, is that Justin Bieber. no one respects cross country
other fb player: no thats a JR
1st guy: oh, they both suck
other fb player: no thats a JR
1st guy: oh, they both suck
by iamasexyfootballbeast January 5, 2011
 Get the JRmug.
Get the JRmug. Also known as an O.G. from O.P. Has an extremely hairy exterior, and an extremely mild homosexual interior. Usually sports a shit eating grin and chokes on dick daily.
by Rednlumpy May 8, 2009
 Get the JRmug.
Get the JRmug. by LITTLEhibiscus October 27, 2016
 Get the JRmug.
Get the JRmug.