(This is what I remember singing in school a LONG time ago)

I'm Captain Jinks of the horse marines
I feed my horses corn and beans
I like the ladies in their teens
For that's the style of the army;
I teach the ladies how to dance,
how to dance, how to dance
I teach the ladies how to dance,
For that's the style of the army;

(then the dancing part -- chorus):
Serenade your partner, hold them tight
And swing your partner with all your might
Then promenade around to the right
For that's the style of the army.

I joined the corps at twenty-one
Because it I thought it lots of fun
When the enemy charged, of course I run
I'm not cut out for the army
When I left home Mama she cried,
Mama she cried, Mama she cried
When I left home Mama she cried,
"You're not cut out for the army!"

(chorus)

The first time I went out to drill
The bugle sounding made me ill
Of battlefields I've had my fill
I'm not cut out for the army
The officers they all did shout,
they all did shout, they all did shout
The officers they all did shout,
"Let's throw him out of the army!"

(chorus)

There may have been more verses but I don't remember