The verse can be played with chords. The chorus could be either chords or the tab listed below.
The song goes like this:
VERSE:
G
Say what ya say, Nick, you know I'm in it too
G F C
It's not like that!
G
Say what you say, Nick, you know I love you too
G F C
It's not like that!
G F C
Yeah, hoo! (x3)
CHORUS: (play it twice)
G Bb C
I've got a favorite one
G Bb C
I've got a favorite one, ya know
G Bb C D C G
... Oh lovely one!
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(During chorus, the tabbed progression goes like this:)
e|-------------------------|
B|-------------------------|
G|-------------------------|
D|-------------------------| (These notes are G Bb C Bb G F G)
A|-----------1-1-3-1-------|
E|-3-3-3-3-3---------3-1-3-| (x3) and then...
e|-------------------------|
B|-------------------------|
G|-------------------------|
D|-------------------------| (These notes are D Db C Bb C Bb G F G)
A|-5-5-5-5-4-3-1-3-1-------|
E|-------------------3-1-3-| Then you repeat this whole tab.
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And then the rest of the song is just a repeat of the verse and chorus.