Repeat Ear Worm Mystery Solved

I finally realized why the song verse, "put the lime in the coconut", has been playing in my head off and on for the past year. All due to the proverbial light bulb lighting up over my head, on the treadmill today, when I heard Dr Bailey on Grey's Anatomy say (once again), "now let me get this straight...".

Love, K 

"Brudder bought a coconut, he bought it for a dime

His sister had anudder one, she paid it for de lime
She put de lime in de coconut, she drank 'em bot' up
She put de lime in de coconut, she drank 'em bot' up
She put de lime in de coconut, she drank 'em bot' up
She put de lime in de coconut, she called de doctor, woke 'im up

And said "Doctor, ain't there nothin' I can take?"
I said "Doctor, to relieve this bellyache?"
I said "Doctor, ain't there nothin' I can take?"
I said "Doctor, to relieve this bellyache?"

Now, lemme get this straight
You put de lime in de coconut, you drank 'em bot' up
Put de lime in de coconut, you drank 'em bot' up
Put de lime in de coconut, you drank 'em bot' up
Put de lime in de coconut, you called your doctor, woke 'im up""

~Harry Edward Nilsson