I believe he later claimed after he got blowback that the song was actually about a dog. Yeah, right 
Even if that’s true, still extreme dickitude.
I disagree. Beating and isolating your SO isn’t psychopathic. It’s just being an awful person. Psychopathy is a mental disorder which can be treated; being an awful person is just being a dick.
Most any Lennon song shows a dickist streak.
Danzig’s Mother
Mother
Tell your children not to walk my way
Tell your children not to hear my words
What they mean
What they say
This song rankles me not because he’s warning mothers that he’s a jerk, but that he portrays himself as a paragon of immorality. He’s not so much a jerk as he is a recurring jerk-off.
The Cramps’ “TV Set” is a bit antisocial.
Oh baby I see you in my Frigidaire
Yeah baby I see you in my Frigidaire
Behind the mayonnaise, way in the back
I’m gonna see you tonight for a midnight snack
But though it’s cold
You won’t get old
'Cause you’re well preserved in my Frigidaire
Yahhhhhhh…
I don’t know much about Glenn Danzig; for all I know that song is 100% autobiographical. But I think it’s fair to point out that some songs are from the point of view of a character.
Unlike, say, my Axl Rose example, which I completely believe is all him expressing his own personal odious views.
Not “Fixing a Hole,” but “Getting Better.” And it has been confirmed that John wrote those fucked up lyrics for the song (also the lines “It can’t get much worse…”)
There are a number of comedy songs that go way past “dickitude” and well into “monstrous”, but that is entirely the point of them. “A Lap Dance Is So Much Better When The Stripper Is Crying” by Bloodhound Gang (listen at your peril) and “Better Version of You” by Paul and Storm come immediately to mind.
Lennon was an unapologetic woman beater. He’s completely responsible for “Run for Your Life” and that part of “Getting Better”. After the Beatles he did “Jealous Guy” wherein he’s oh so sensitive and honest about his feelings.
I was dreaming of the past
And my heart was beating fast
I began to lose control
I began to lose control
I didn’t mean to hurt you
I’m sorry that I made you cry
Oh no, I didn’t want to hurt you
I’m just a jealous guy
I don’t think it’s correct to include Sting in a thread called “Songs that reveal amazing dickitude from the singer”. In Every Breath You Take"" and “Don’t Stand so Close to Me” he’s creating creepy personas but I don’t get the sense that the personas are him. I totally think the personas of “Run for Your Life” and “Jealous Guy” are Lennon.
Really hurts when someone I admire that much as an artist is such a slime.
ETA; Knew Fixin a Hole didn’t sound right. Thanks @Happy_Lendervedder.
Right, I knew that. And I know the song “Fixing a Hole”. The strange thing is, I thought the song was called “Getting Better”, but when I typed “getting better lyrics” into google, the first default display got the right lyrics but the title said “Fixing a Hole”. Odd rare google glitch:
And if I type “beatles fixing a hole lyrics” I get the same thing- ‘Fixing a Hole’ title, ‘Getting Better’ lyrics.
There’s “Weird” Al Yankovic’s song “Good Old Days”:
As I get older and have more years of listening to music, I’ve gotten to the point where John’s songs (notably his solo stuff, not necessarily his Lennon-McCartney stuff) are largely unlistenable for me. Most (not all, but most) of his stuff is just so freaking joyless and dark and bitter. I get that he had a lot of issues he was working through his entire life, but the kinds of songs he produced just don’t do it for me anymore. He was a bitter dick and it showed in his music.
IMO, of all the Beatles and ex-Beatles’ catalog, John’s solo stuff aged the worst, and I attribute it to him being an all-around prick.
That’s really what I was wondering too. I mean there are a lot of authors who write characters who are well-developed monsters, but the authors themselves may be perfectly nice. Similarly, someone like Christopher Lee played a lot of convincing villains on film, but by all accounts was a very good person.
I have little problem believing that musical artists could do the same, and write lyrics for a “character” or at least a point-of-view/persona that isn’t actually them personally.
Perfect example of what I’m saying above. Al Yankovic is as best as anyone can tell, a class act and a good person. But he can write a song from the perspective of a psychopath like “Good Old Days” - in fact, that’s part of the humor I’m betting.
I took “the singer” (in the thread title) to be the persona/POV from which the song is sung—not (necessarily) the human being who is the vocalist. Analogous to “the speaker” in poetry.
Robin Thicke"s “Blurred Lines”
I think “I’d Rather See You Dead” by Pat Travers might qualify.
Yeah, re-reading the OP, you’re probably right-- it looks like the OP meant songs about dickitude, but not that show dickitude of the actual singer / songwriter. At least that’s what I get from the word ‘protagonist’:
Fair enough as long as the distinction is understood. I’m a little sensitive about it having written a few songs myself. I had to be pretty clear about it when I wrote.
My wife’s not getting any cuter.
I need a faster computer.
“We Can Work It Out” by the Beatles.
Yes, it sounds like the singer is trying to find a reasonable solution to reconcile the two points of view. But there are the lyrics:
Try to see it my way
Only time will tell if I am right or I am wrong
While you see it your way
There’s a chance that we might fall apart before too long
So he’s saying that his way is the only way to keep them together.
There’s also Mose Allison’s “Parchman Farm” where it sounds like a lament by a prisoner who has done nothing wrong. He specifically says so. Then it gets to the final line:
Well I’m a gonna be here for the rest of my life
And all I did was shoot my wife
In his defense, Lennon later became open and repentant about his history of domestic violence. In his last interview, he said it was going to be a long time before he could come clean about some of the things he’d done, and speculated that his desire for peace was a subconscious reaction to his shame.
For sheer dickitude, it’s hard to beat Toby Keith’s “How Do You Like Me Now?”
In high school, he spray paints “For a good time call (the phone number of a girl he likes)” on the football field. For some odd reason, she isn’t interested in him. After he’s become a big recording star, he gloats over his assumption that she’d come running to him now. He delights in noting that she’s in an unhappy marriage and that “(her) kids hear (her) crying” privately.
I’m sure that if she’d married a prince like Toby, she’d be happy. 
I honestly hope you’re right but he was pretty open and honest in “Jealous Guy” too. It’s a phase all wife beaters go through.