Short for Jonas Brothers Disorder. Nearly all pre-teen to teenage girls are afflicted with this. It's where they are completely and utterly obsessed with these whiny, ugly, completely untalented Disney-made products.
Short for Joe Biden Disease, JBD is a brain disease that affects the short- and long-term memory of the victim and mostly leads to dementia and other brain disorders. The first symptoms of JBD show when one forgets minor information, it will progress with stuttering and forgetting more important Memorys and information about others and even yourself. JBD has no cure and no known causes. There are no ways to prevent JBD from affecting you. JBD can often be minorly contagious and spread into a short term and milder version called "Genius" (with a J) Disease (JD)
Person 1: What was the last thing you did?
Person 2: uh, use the bathroom Person 1: What did you do
Person 2: I Don't know
Person 1: I think you have JBD
A Chinese slang, which is the abbreviation of "Ji Ba Dou Xiao Bao Le". It literally means "Laughing my dick exploded", and is a Chinese equivalent of LMAO.