The spelling of the phrase "eat pussy" can be explained using the International Phonetic Alphabet (IPA). The first word, "eat," is spelled /it/ in IPA. The second word, "pussy," is spelled /ˈpʊsi/. The sound /ˈpʊ/ is pronounced like "puh" with a shorter duration, followed by the sound /si/ which rhymes with "see." As a phrase, "eat pussy" is often considered taboo and vulgar, and it is important to use appropriate language and show respect for others.