My father used to sing this when we were kids, I think he learnt it in the RAF in WW2. We didn't think about the meaning of the words as kids, the tune is catchy with all the sniffs

'Arry 'Ave a………

Verse
1. Walking down Fifth Avenue
    Cocaine Bill met Morphine Sue

    Chorus:
    Singing 'Arry 'ave a (sniff),'ave a (sniff) on me
    'Arry 'ave a (sniff) on me

2. They came to a drugstore painted green
    The sign outside said no morphine
    Chorus:

3. They came to a drugstore painted red
    No cocaine is what it said
    Chorus:

4. From Broadway to the state of Maine
    They searched in vain for more cocaine
    Chorus:

5. So in the river side by side
    They both committed suicide
    Chorus:

6. Now in the graveyard on Boot Hill
    Lies the body of Cocaine Bill
    Chorus:

7. And in that graveyard by his side
    Lies the body of his morphine bride
    Chorus:

8. Now all this story goes to show
    There ain't no sense in snuffin' snow
    Chorus

9. Ash to ash and dust to dust
      If coke don't get you morphine must
      Chorus:
   

10. Now Glory Be it is the Lord, coming in to land at (or London) Ford
       Calling up on Channel C, singing 'Arry 'ave a (sniff) on me