That the old people had difficulty understanding the boys. I can't remember ever having any communication difficulties. Recent examples where I had to try Google: Kessy, OPF, DPF, Crush, Glitch, Stream, Netflix, etc. Usf.
There has always been youth language, what you introduce here are simply English terms that have been Germanized through digitization. If you are not technically up to date and also does not speak English well you can quickly lose track.
The farther you go back, the tighter adolescents had to adapt to adults and the fewer opportunities they had for a subculture. In the 50s, there were but to my knowledge already!
What's more, many young people are traveling online in English-speaking areas at a very early age, picking up on concepts that sometimes spread on the Internet like "glitch". This is more of an online term / computer term, as an exclusive youth language. "The" youth language does not exist, each group has its own terms. As you know, many adolescents do not know the "Youth Word of the Year"! (So the term chosen, not what term was chosen). "Smombie" was a well-known example of a youth word that supposedly no one knew or even used.
And then: the older you are, the farther away you are from youth, the less you get along with it. For example, if you were a teacher, it would look different, because you would notice a lot on the side.
However, youth language is always deliberately delimiting, you make your own subculture / language world, JUST in demarcation of the Awakening culture / language, so it is thought that adults (often even from 30) these can't understand completely.
Oxford Certificate of Proficiency is not enough?
There were also the problems, but not as much as they are today, because developments are accelerating and entire areas of life are changing in a few years.
At that time it was about terms like twist, beat, rock 'n roll, transistor etc.
I did not do the test. It is rather that these terms are not at all yet. There's (estimated) a "stream" only for 15 years. It's changing so fast that even I get into trouble (I'm in my early 20s)
