The phrase "more hundred proof" indicates a level of strength or intensity, specifically in reference to alcohol. Synonyms for this phrase might include "high octane," "potent," "powerful," "heavy-duty," "intense," or "hard-hitting." These words suggest a substance that has been distilled to a concentrated level, with a high alcohol content that packs a punch. They could also apply to extreme emotions or experiences, such as "heart-wrenching," "cataclysmic," "gut-wrenching," "mind-blowing," or "epic." Whatever the context, these synonyms describe something that is not for the faint of heart, but for those who seek out intense and powerful experiences.