Just to get the ball rolling, here's one of my favourite Liverpool FC songs, apparently first heard on the terraces in the 1970s. There are a lot of disagreements about the words, this is the version that I learned, but some people will swear blind that e.g. it should be 'libyan sun' and not 'arabian sun'.

POOR SCOUSER TOMMY
(first part to the tune of Red River Valley, second part to the tune of The Sash)

Let me tell you the story of a poor boy
Who was sent far away from his home
To fight for his King and his country
And also the old folks back home

So they put him in a Highland division
Sent him off to a far foreign land
Where the flies swarm around in their thousands
And there's nothing to see but the sand

In the battle that started next morning
Under an Arabian sun
I remember that Poor Scouser Tommy
Who was shot by an old Nazi gun

As he lay on the battlefield dying (dying dying)
With the blood gushing out of his head (of his head)
As he lay on the battlefield dying (dying dying)
These were the last words he said:

Ohhhhhhh I am a Liverpudlian
I come from the Spion Kop
I like to sing, I like to shout
I get thrown out quite a lot (every week)

I support the team that plays in red
A team that we all know
A team that we call Liverpool
And to glory we will go

We've won the league, we've won the cup
We've been to Europe too
We've played the toffees for a laugh
And left them feeling blue (five-nil)
1
2
123
1234
Five-nil