"Tooted horn" is a phrase commonly used to describe a vehicle making a noise with its horn. However, there are many synonyms that can be used to convey the same meaning. Some of these include honked, beeped, blared, hooted, sounded, and blasted. Each of these words can be used in different contexts to describe different kinds of horn noises. For example, "blared" might be used to describe a loud and sudden honk, while "beeped" might be more appropriate for a quick and soft tap of the horn. By using synonyms, writers can add variety to their descriptions and create more vivid and engaging writing.