The phrase "whole hog" is typically used to describe an action that is done completely and without reservation. If you need to find different synonyms that can be used in its place, there are a few different options to choose from. Some common phrases that can be used to replace "whole hog" include "full bore," "all out," "completely," "thoroughly," "intensely," and "wholeheartedly." Each of these synonyms indicates a level of commitment and thoroughness that is necessary for success. No matter which synonym you choose to use, be sure to understand the context and tone of the situation in order to use it appropriately.