When a young lass positions herself in the middle/center of 8 young (preferably) lads who are "sporting wood". In either a firing squad or simultaneous order, the lass will receive copious amounts of "baby batter".
After the transfer of goods, the young lady (hoping not to be sniped), will forever have earned the title of "OCTAGON GIRL".
Member of 8 man rowing team: "I shot the first salvo in Lurleen's octagon".
Concerned boyfriend: "I'm going away for the weekend; I hope that Sally does not get caught in the crossfire of the octagon."