What is down bad?

"Down bad" is a slang term that describes someone who is in a desperate or pathetic state, usually due to romantic or sexual desire. It implies a level of obsession and willingness to do embarrassing or self-degrading things to get the attention or affection of someone they're attracted to.

It can also describe a general state of being financially or emotionally desperate. While it's often used humorously, it can also point to unhealthy behavior patterns related to infatuation or desperation. The term is mainly used by young people on the Internet.