The spelling of "patch thing" is straightforward with clear-cut pronunciation. The word "patch" is pronounced as /pætʃ/ with the "a" as in "cat" and the "ch" sounding like "cheese." The word "thing" is pronounced as /θɪŋ/ with the "th" sounding like "thick" and the "i" as in "sit." Together, it forms a compound noun with a simple spelling and clear pronunciation. It refers to a small, insignificant item or an unspecified object that is not worth mentioning specifically.