The correct spelling of the phrase "getting someone horn" is actually "getting someone horny". The word "horny" is pronounced /hɔːni/ in IPA phonetic transcription. The spelling of this word can be confusing as it does not follow typical English spelling patterns. It is derived from the Old English word "horne", meaning "horn-shaped projection", although its modern meaning refers to sexual arousal. It's important to use correct spelling when communicating, as it can drastically change the meaning of a sentence.