(slang, derogatory) Acronym of dumb/designated ugly fat friend, an attractive woman's less attractive friend

(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’.

(UK, Ireland, Canada, Australia, New Zealand, Singapore, military slang, radio voice procedure) Indicating that this is not a drill or training exercise.

Third-person singular simple present indicative form of duff

(slang, obsolete) To disguise something to make it look new. / (Australia) To alter the branding of stolen cattle; to steal cattle. / (Britain, slang, with "up") To beat up.

(US, slang) The buttocks.

(UK) Worthless; not working properly, defective.

(dialectal) Dough. / A stiff flour pudding, often with dried fruit, boiled in a cloth bag, or steamed. / A pudding-style dessert, especially one made with plums.

(Scotland, US) Decaying vegetable matter on the forest floor. / Coal dust, especially that left after screening or combined with other small, unsaleable bits of coal.

Alternative form of daf (type of drum)