Boi (slang) Type: noun, slang, expression Pronunciation: /boi/ Related: Boy, Bwoy What does Boi mean? Boy. Boi is a variant spelling of Boy. Boi Synonyms: Boy, Bwoy Example sentence: “Boi what the hell are you talking about?” Boi in songs: “I’m in that past season ‘Preme shit, older than Tity Boi” – Tyler the Creator, […]