"Screw this" is a phrase that expresses frustration, annoyance, or disinterest with the current situation. However, the phrase may not always be appropriate in certain settings, so it is important to know its synonyms. Some similar expressions that convey the same sentiment are "forget this," "I'm out," "I'm done," "enough already," "I'm over it," or "this is ridiculous." These phrases can be used interchangeably in various situations where you want to express disappointment or weariness with a particular situation. Knowing these synonyms can help you communicate your feelings without being offensive or inappropriate.