"Am up clouds" is not a word, it appears to be a phrase without a clear meaning. Therefore, it is impossible to provide accurate antonyms for a phrase that has no clear definition or context. To find antonyms, it is important to have a specific word to work with and then identify the word's opposite in meaning. For example, antonyms for "happy" could include "sad," "unhappy," or "miserable." Without a clear word to work with, the concept of antonyms becomes irrelevant. It is important to have a clear understanding of the word or phrase before searching for antonyms.