heartsink n. a feeling of dismay or disappointment; in medical use, heartsink patient, a patient that is difficult or impossible to help. (source: Double-Tongued Dictionary)
Further reading
In 1916, a small-town newspaper in Pennsylvania printed a fanciful item about a local gathering with a guest list that included, among others, Miss Ella Vader, Mr. Ray Zor, and other punny names. This is part of a complete episode. Transcript of...
To feel poosly, or poosley, meaning to “feel poorly,” shows up in the Mid-Hudson Valley of New York and is linked to Dutch settlement in the area. The word appears in a list of Dutchisms in the fourth edition of H. L. Mencken’s The American Language...