The first time jack antonoff hit it big — more than a decade after he began touring as a teenager in crowded vans that often arrived at empty rooms — he walked away. Why is it better not to call someone Jack or Jacky when choosing an English name? Are there any allusions? This was a car driven by one of my English teachers in high school. When the time came to ask him the question, he smiled and said nothing. I think there should be a plot in it, but... The fleeting jack In today's English, jack has already evolved into a nickname for john, the most common male name in history. We can find this usage as early as the thirteenth century. Some believe jack is a nickname that originated in English, but most etymologies.
If they can't explain it, they don't want you to know. ASP
A friend of jack's = a friend of jack's friends The former is a part of the latter; a friend of jack is illogical because a friend is not part of the person jack.
