A very dangerous disease that currently can't be cured. It will destroy your immune system until even a cold can kill you.
Contrary to what most of these homophobic twelve-year-olds added as the definition, AIDS can be aquired through any form of sex with a carrier. In fact, you don't even have to have sex. Just sharing blood or drinking breastmilk (This applies to everyone, not just babies) can give you AIDS.
Homophobic Middle Schoolers should learn a little bit more about AIDS before they add some retarded definition to Urban Dictionary.