"You Can't Get 100" is a phrase that is often used as a challenge or a statement of disbelief. It may be used to indicate that someone does not believe that another person will be able to achieve a certain goal or accomplish a task. For example, someone might say "You can't get 100 on this test" if they believe that the test is too difficult or the material is too challenging. Alternatively, the phrase may be used as a way to encourage someone to try their best or to not give up, even if they believe that the task is difficult or unlikely to be successful. The phrase "You Can't Get 100" can be used in a variety of different contexts, and it may be interpreted differently depending on the specific situation and the tone in which it is spoken.