Adjective
(African-American Vernacular, slang) In a difficult situation, despondent.
Walter was down bad after his wife had left him.
(slang, originally African-American Vernacular) Romantically or sexually attracted to someone at the expense of one's dignity.
He was down bad over that disrespectful girl.
People go down bad paths and they make bad decisions, but it's always justified in their head. Maisie Williams