no duff

Australia Canada Ireland New-Zealand Singapore UK slang

(UK, Ireland, Canada, Australia, New Zealand, Singapore, military slang, radio voice procedure) An incident that is not a drill or training exercise; an emergency. Also end of exercise. Stop drill immediately. As a ‘tap out’ called by during physical training. Sim munitions training in Australian Swat ‘end ex’.

Japanese Meaning

軍事用語や訓練中のスラングで、訓練・ドリルではなく実際の緊急事態が発生していること、または演習終了や即時の訓練中止を示す意味合いを持つ。 / 物理トレーニングなどの現場で、タップアウトや緊急停止を示す際の用語として使われる。