When we say "go flatout", we usually mean to do something with maximum effort or at full speed. However, there are many synonyms that can be used to convey the same meaning. For example, we could say "go all out", "go full throttle", "go all-in", "put the pedal to the metal", "give it your all", "put in maximum effort", or even "hit the gas". Each of these phrases conveys a sense of urgency and a desire to achieve a goal quickly and efficiently. Whether it's in sports, work, or any other aspect of life, going flatout is a great way to get ahead and achieve your dreams.