.. finding it hard to see how people took the song literally and seriously at the same time...
The only point of the music was to make you smile. Most were pretty lame but teenagers are not the most sophisticated people in the world and we liked them.
The link is to a list of some of the novelty songs of the 1950s
https://www.discogs.com/search/?style_exact=Novelty&decade=1950
The ultimate is “Transfusion” by Nervous Norvis.