Avocado

I give you Avocado, by Weird Al, c1983:

Avocado,
What makes you think you're so holy?
You're gonna be guacamole before too long.
Oh, you're a green one,
You know that you're out of season.
You'd better let somebody eat you,
Let somebody eat you.
Ya better let somebody eat you
Before it's too late.

http://www.youtube.com/watch?v=H1pSKfgkJkY, about 3:50 in

I now give you the Chad & Jeremy version:
Avocado (Stuart/Clyde)

Avocado
You’re ripening slowly, but you’ll be guacamole,
If I have my way
Oh you’re a hard one, but I must not be hasty,
I know you’ll be tasty, when I eat you some day.

I’ve my choice of vinaigrette, eat you plain or better yet
Slip you in a sandwich with Swiss cheese
Maybe I’ll whip you, chip you and dip you
Either way I know you’re sure to please.

Avocado,
I’m singing your praises, while I go through your phases,
And describing your fate
You’re a hard one, but I’m gonna defeat you,
You better let somebody eat you,
Let somebody eat you,
Before it’s too late.

It hurts me to throw my weight behind Al on this one, but it looks like he was there first. Points to C&J for the full development of the lyrics and the performance, though :)