Verse 1
             G       Em     Bm             D     Dsus4 D
Are you hanging up a stocking on your wall?
              G         Em    Bm          D     Dsus4 D
It's the time that every Santa has a ball
             C                G
Does he ride a red nosed reindeer?
             C               G
Does a 'ton up' on his sleigh
            Am               C           D     Dsus4 D
Do the fairies keep him sober for a day?

Chorus:
                G        Bm
So here it is merry Christmas
          Bb            D
Everybody's having fun
     G           Bm
Look to the future now
          Bb            D
It's only just begun

Verse 2
Are you waiting for the family to arrive?
Are you sure you got the room to spare inside?
Does your granny always tell ya that the old are the best?
Then she's up and rock 'n' rollin' with the rest

Chorus:
So here it is merry Christmas
Everybody's having fun
Look to the future now
It's only just begun

Bridge
     Dm                   Bb
What will your daddy do
                       Dm           Bb
When he sees your Mama kissin' Santa Claus?
        C   D
Ah ah

Verse 3
Are you hanging up a stocking on your wall?
Are you hoping that the snow will start to fall?
Do you ride on down the hillside in a buggy you have made?
When you land upon your head then you've been slayed

Chorus (4x)
So here it is merry Christmas
Everybody's having fun
Look to the future now
It's only just begun

Intro
The intro is played on a keyboard, but this is a recognisable approximation on guitar.  
each chord twice and emphasise the notes which have = signs around them.

E|-=1=-=0=----------2----------|0=-=2=
B|--3---3--=3=-=1=-=3---3---3--|
G|--3---3---3---3---2---2---2--|
D|--3---3---3---3---0---0---0--|
A|-----------------------------|
E|-----------------------------|

Performance note
At the end of all verse lines except verse 1 replace D Dsus4 with

E|--2--3--2--5-|
B|--3--3--3--7-|
G|--2--2--2--7-|
D|--0--0--0--0-|
A|-------------|
E|-------------|