The mixing of Romance languages occurs in the last three lines of the song. In 1969, Lennon was interviewed about these lyrics and said, "We just started joking, you know, singing 'cuando para mucho.' So we just made up... Paul knew a few Spanish words from school, you know. So we just strung any Spanish words that sounded vaguely like something. And of course we got 'chicka ferdy' in. That's a Liverpool expression. Just like sort of-- it doesn't mean anything to me but (childish taunting) 'na-na, na-na-na!'"