The phrase "comes up snuff" typically means to meet a certain standard or expectation. However, there are several antonyms for this phrase. "Falls short" or "misses the mark" are common antonyms that suggest something did not meet expectations or standards. "Inadequate" or "insufficient" also convey a similar meaning, indicating that something was not good enough. Another antonym is "inferior," which implies that the quality of something is not up to par. Overall, there are plenty of options for antonyms to "comes up snuff," all of which suggest that something did not meet expectations.