The correct spelling of the phrase "wast ones case" is actually "waste one's case." The "s" sound in "ones" is actually a possessive apostrophe followed by a silent "e." The word "waste" is pronounced /weɪst/, with the "a" sounding like the "a" in "cake" and the "e" being silent. "One's" is pronounced /wʌnz/, with the "o" sounding like the "o" in "done" and the "s" being a possessive apostrophe followed by a silent "e." And "case" is pronounced /keɪs/ with the "a" sounding like the "a" in "cake."
There is no dictionary definition available for the phrase "wast ones case." This phrase does not appear to have a commonly accepted meaning or usage in English language. It is possible that it might be a typographical error or a phrase that is not widely recognized or used. It is important to note that the correct interpretation of a phrase or expression depends on its context and how it is being used.
However, if we were to break down the phrase "wast ones case" into its individual words, "wast" could be an archaic form of the verb "to be" in the second person singular, and "ones" could refer to one's possessions or circumstances. "Case" could have several meanings, including a legal case or situation, a particular instance or example, or a physical container. Based on these speculations, one possible interpretation for "wast ones case" could be a somewhat outdated way of saying "how you are or exist in a particular situation or circumstance."
Without further context, it is difficult to provide a more precise definition. It could be helpful to provide additional details or clarify the source or context in which this phrase is being used to offer a more accurate explanation.