The phrase "doest pratfall" can be defined as a clumsy or foolish action resulting in a fall or stumble. Synonyms for this phrase include blunder, misstep, mishap, blooper, and gaffe. Other similar terms might include stumble, trip, fumble, flub, or faux pas. All of these words suggest a type of mistake or error, often resulting in embarrassment or a loss of credibility. It's important to be aware of these synonyms in order to communicate effectively and precisely, particularly in situations where clarity and precision is vital, such as in professional or academic writing.