Hitting sauce is a slang term that is commonly used to describe the act of drinking alcohol, especially in large quantities. If you're looking to describe this type of behavior without using this term, there are many synonyms that you can use depending on the context. Some of the most common synonyms for hitting sauce include drinking, getting drunk, partying, boozing, imbibing, and bar hopping. Additionally, you could use more formal language such as consuming alcohol or indulging in spirits. Regardless of which synonym you choose, it's important to remember that excessive alcohol consumption can have serious consequences and it's always important to drink responsibly.