What does 'down bad' mean? The phrase has a few suggestive meanings

The phrase "down bad" has taken on a life of its own on social media. People seem to be using it in a myriad of ways, but the spirit of the term is to yearn. Urban Dictionary defines "down bad" as the feeling of being so attracted to someone, . you almost feel depressed that you two aren't together. But it's mostly used to refer to basic feelings of longing, desperation, sadness, depression and loneliness. There's also a 2019 song called "Down Bad" by Dreamville, featuring J. Cole, J.I.D, Bas, EARTHGANG, & Young Nudy. Some even use the term to refer to being low on funds. The user @ElaniKitten tweeted "we are down bad" with a meme about overspending