1 definition by Pussers Dust
Naval terminology. To achieve air-tight integrity of the ship's citadel. To achieve air-tight integrity of your arsehole after a night of lager and curry. To prevent a "sharting".
You going to be ok carrying the Queen mothers coffin after last nights run ashore chef? - Don't worry lads, my aft funnel is at Zulu Alpha.
by Pussers Dust August 14, 2010