The word "trumpy" is commonly used to describe someone or something that's arrogant, boastful or vulgar. However, there are many synonyms for this word that can help you get creative with your vocabulary. Some possible alternatives include cocky, conceited, narcissistic, bombastic, grandiose, egotistical, pompous, self-important and pretentious. You could also use words like brash, loud-mouthed, pushy, showy, flamboyant, ostentatious or flashy to describe someone who exhibits 'trumpy' qualities. Overall, there are many different ways to describe someone or something that is excessively brash or showy, so don't be afraid to experiment with different synonyms to add variety and depth to your writing!