"Gat someone the horn" is a slang term used to describe the act of sexually arousing someone. There are many other synonyms for this phrase, including "get someone excited," "turn someone on," "make someone hot," "ignite someone's passion," and "stimulate someone's senses." These phrases are commonly used in a sexual context and can also be used to describe the effect of visual or sensual stimuli. While these phrases are meant to be playful and suggestive, it's important to always make sure that everyone involved is comfortable and consenting in any sexual situation.