multiple personality disorder
Noun
Meaning
multiple personality disorder (countable and uncountable, plural multiple personality disorders)
(psychology, informal, dated) Dissociative identity disorder.
Synonym: MPD
Examples
I was diagnosed with everything from schizophrenia to multiple personality disorder.
My significant other right now is myself, which is what happens when you suffer from multiple personality disorder and self-obsession.
The art of the novelist is not unrelated to the illness of multiple personality disorder. It's a much milder form. But the better the book, the nearer to the padded cell you are.