The phrase "flipped over" has many synonyms, including "turned over," "upended," "overturned," "capsized," and "toppled." These words all refer to the act of something being turned or flipped so that it is now upside down or completely reversed. Other synonyms for "flipped over" may include "reversed," "flipped back," "upside-down," and "inverted." All of these words are useful tools for adding variety and nuance to your writing. Depending on the context, certain synonyms may be more appropriate than others, so it's important to consider the precise meaning you're trying to convey before selecting a synonym.