The word "MAGA" is usually used to express support for Trump and his political ideas. It has also become a symbolic slogan and is widely used in Trump's campaign rally. In addition, the word often appears on social media as a political tag.
The spelling of "MAGA" is M-A-G-A, which is the acronym of the phrase "Make America Great Again". If you want to know more about MAGA and its historical background, you can learn more by searching related materials.