(now rare, archaic) One who dangles about others, especially after women.
(informal) A large earring that hangs down.
(grammar, informal) A dangling participle.
(slang) A penis.
(slang, in the plural) The testicles.
a plotline that is metaphorically left to "dangle" or "hang"; in other words, the plotline is forgotten, phased out and eventually dropped, and thus a resolution is never achieved