The meaning being it has no meaningWhen lyrics had meaning.
The Trashmen ripped off the Rivingtons who did a much better job.
That got them a cease & desist order, and they had to give writing credit on later pressings and in Billboard to the Rivingtons.
As a Trashmen side note it must be hard to get your voice to sound that bad for that long. An interview with Mel Blanc said it was so hard on his vocal chords to voice Yosemite Sam that he would do all of the other parts first, then do YS at the end of the day so he could rest his vocal chords overnight.