Hogwash/ˈhɔːɡwɑːʃ/ Definition 1 of 2Pro Tip 1/3Informal Use Hogwash is casual; not used in formal writing or serious discussions. He said I cheated, which is hogwash! Pro Tip 2/3Strong Dismissal Indicates strong rejection of an idea or statement. Her accusations against the team are hogwash! Pro Tip 3/3Extra Emphasis Combine with 'pure' or 'complete' to stress disbelief. Saying that movie was good is complete hogwash.