Jewish villagers may have gone hungry during the week but the community always provided them with at least fish and challah for shabbos.
Yiddish has many synonyms for so-called dirty words. They are called grob (uncouth), mies (ugly), maybe even shmutsik (dirty). But Yiddish curses are far different from English ones, because they generally don’t include foul language.
If your family name is Yiddish, you are probably named after your great-great-great-grandmother.