According to Jim, Jerome was a small town that was the birthplace of his Sister-In-Law.
However, the rest of the song could be interpreted to be about psychedelic drugs, or a mystical experience. This makes sense considering the sort of drug-addled grammar of the track, and Jim’s own drug use.
[Verse 1]
And I found a magic man
I bought a pound of magic, and
A kinda dream and plan
Where you lay your hand
I found a magic man
[Verse 2]
Where is where it's at Jerome?
Where is there I want to go?
Where is where it's at Jerome?
Is it a place out there?
Just a town down there
If you're driving slow
Where is where it's at Jerome?
[Verse 3]
If you take your magic slow
Maybe you can find Jerome
Sits on top of a hill
Overneath a hole
If you're driving slow
Maybe you can find Jerome
And maybe you can find Jerome
Lookin' around and see if you can spot Jerome
Sing a-ba-da-da, da-da 'bout Jerome
Jerome was written by Jim Sullivan.