Jonston means in slang: Jonston is an interesting guy. He is like a gift with many covers that make it difficult to open. Although it can be difficult to get him open, he’s honest and kind. He cares deeply about his friends and family, as well as being funny. He is always willing to assist others, even when going through difficult times. His hard work has made him very intelligent and he is a gifted person. Jonston is a positive individual who tries to see the good in everyone. He almost never lies. This is one of his greatest strengths. His honest, fun and serious nature is what people love about him. (in Slang Dictionary, added by Cristal Chung)