mondegreen [mon-di-green]
noun
1. a word or phrase resulting from a misinterpretation of a word or phrase that has been heard.
Origin: 1954; coined by Sylvia Wright, U.S. writer, from the line laid him on the green, interpreted as Lady Mondegreen, in a Scottish ballad
Now YOU come up with a sentence (or fic? or graphic?) that best illustrates the word.