Bagoina Share definition Flag A alternative to the word Vagina, usually used after getting pwned. Preferrably said with an Australian accent. Guy 1: Im gunna Pwn You so bad "Guy 2 has been elminated" Guy 2: BAGOINA! Bagoina by TheMigga January 2, 2005 0 0 Get merch Get the Bagoina mug. Buy Now — $32.95 See more merch