There are several synonyms for the phrase "going all the way," which typically refers to having sexual intercourse. These alternatives include terms like "making love," "having sex," "getting intimate," or "hooking up." Some people might also use slang words like "banging," "shagging," or "screwing." It's important to note that using clear language and mutual consent are crucial in any sexual encounter. Each individual may have their own comfort level and boundaries, so it's important to communicate openly and respectfully. Ultimately, the choice of terminology is a personal preference and should be used in a way that feels comfortable and respectful for all parties involved.