Trout pout is a term often used to describe a person's excessively full or overinflated lips. However, not everyone may be comfortable using this slang term. If you are looking for alternative words to describe this condition, then you can use phrases such as 'duck lips,' 'puffy lips,' 'fish lips,' 'overfilled lips,' or 'swollen lips.' These phrases, too, describe the same condition, but they are more formal, less insulting, and more suitable for both professional and casual conversations. It's essential to remember that while describing someone's physical appearance, it's important to be respectful and mindful of their feelings.