1st Verse
Girlfriend
I'm gonna tell your boyfriend (yeah)
Tell him (woo hoo)
Exactly what we're doin' (yeah)
Tell him what you do to me
Late at night when the wind is free 
2nd Verse
Girlfriend
I'm gonna show your boyfriend (yeah)
Show him (woo hoo)
The letters I've been savin' (yeah)
Show him how you feel inside
An' how love could not be denied (oh no)

Chorus
We're gonna have to tell him
You'll only be a girlfriend of mine
Do-doot-do, etc.

We're gonna have to tell him
You'll only be a girlfriend of mine

3rd Verse
Girlfriend
You better tell your boyfriend (yeah)
Tell him (woo hoo)
Exactly what we're doin' (yeah)
Tell him what he needs to know
Or he may never let you go 
Chorus
We're gonna have to tell him
You'll only be a girlfriend of mine
Do-doot-do, etc.

Chorus
We're gonna have to tell him
You'll only be a girlfriend of mine
Do-doot-do, etc.