Oggy Oggy Oggy at Cornish rugby matches so this seem another possible origin. The Oxford English Dictionary (2004) entry for "Oggy" states: "Oggy, "noun". "West Country regional" (orig. "Cornwall") and "Navy" slang. A Cornish pasty. Probably an alteration of Cornish "hoggan" pastry, pie (18th century), perhaps cognate with Welsh "chwiogen" muffin, simnel cake (1562), of unknown origin." Members of the Royal Navy claim to have used the chant, or a version of it, since the Second World War. The 'Oggie, Oggie, Oggie' chant was used by supporters of the Royal Navy's Devonport Field Gun Team. (The field gun competition was disbanded in 1999
Oggy Oggy Oggy Oggy Oggy Oggy The Oggy Oggy Oggy chant (alternatively spelt Oggie Oggie Oggie), and its variations, are often heard at sporting events, political rallies and around numerous Scout and Guide campfires, primarily in Britain, Ireland and some Commonwealth nations. One group will shout Oggy three times, while another will respond with Oi! three times. Of Cornish origin, the chant appeared in British sports grounds in the 1960s and 1970s, namely rugby union and football. Welsh singer and comedian Max Boyce popularised its use in Rugby Union, while in football a popular variation was the “Ozzie Ozzie Ozzie” chant by Chelsea