[Buckeye McFrog]

so....like, is the girl 19 years old?
Or is her name “19” like “Agent 99” or something?

I never quite got it.

[Steely Tom]

After listening to it a few thousand times, I’m pretty sure the song is about a 19-year-old female of unusual beauty.

This is because the singer has to explain who Aretha Franklin is, among other clues.

[Gay State Conservative]

I never quite got it.

You're betraying you age here! She's 19 years old and he was a good deal older.That's why he needed to explain to her who "Retha" Franklin was! ;-)