"Gets someone the horn" is a colloquial phrase commonly used to indicate that someone is sexually aroused or turned on by something. However, there are several synonyms for this phrase that can be used in different contexts. Some of the synonyms for "gets someone the horn" include; "excited," "stimulated," "aroused," "turned on," "fired up," "hot and bothered," "horny," and "sexually charged." These terms can be used in varying degrees of intensity, depending on the context and situation. Choosing the right synonym will help you accurately express the level of erotic attraction that someone has towards another person or situation.