(onomatopoeia) A sound mimicking the loss of air, as if someone's solar plexus had just been struck. / (slang) Synonym of ouch (“expressing sympathy at another's pain, shock at a high price, etc.”)

A sound made in pain, as when expelling air after being struck.

(UK, slang, dated) Money.

plural of oof

present participle of oof

simple past tense and past participle of oof

plural of oof-bird

(dated, idiomatic, British slang) Any source or supplier of money.

plural of feathered oof-bird

(dated, idiomatic, British slang) Any large, plentiful source or supplier of money.