Fanny Adams, bless her sole was found raped and dead under a hedgerow in England in the 19th century.
Now used as a term when refering to a person not having much, not holding a lot.
Although it may have earlier origins, first heard by most of the world on the infamous episode of <i>Seinfeld</i>, when George witnesses Elaine's atrocious dancing for the first time, and exclaimed, aghast, "Sweet fancy Moses!"