An uncurable illness which affects any organism that has a certain ability. This causes them to do use this ability whenever they can.
To put it in a simple context, why does a dog lick
? Because it can.
Why did George Bush
start the war in Iraq? Because he could.
Why does Madonna wear very tight and revealing costumes? because she can.
Also known as DBS, but unrelated to Dumb Bitch Syndrome
Me: Gawd, I hate those sound effects Radiohead use.
You: That's because they've got DBS.
Someone else: DBS?
Me: Dog's Bollocks Syndrome.