Green’s Dictionary of Slang

suffer a recovery v.

[joc. euph.]

to have a hangover.

H. Lawson Joe Wilson and His Mates 180: [I]t was quite probable that he was more nearly in touch than we with that awful invisible world all round and between us, of which we only see distorted faces and hear disjointed utterances when we are ‘suffering a recovery’ – or going mad.
[Aus]Bulletin (Sydney) 25 July 13/3: When ‘suffering a recovery,’ he is not worried by the fear that he may lose his billet. His job is there, waiting patiently, until such time as he feels fit to tackle it.
[Aus]X. Herbert Capricornia (1939) 348: He was glad, being loath to go further, because the road got bumpier as one went along, and he was suffering a recovery from a week-end jag.
[Aus]Baker Popular Dict. Aus. Sl.
M. Durack Kings in Grass Castles 317: Today worth chronicling since Father, Uncle Jerry, Long Michael and Jim Minogue up all night playing cards and were this morning suffering a recovery, since Bacchus reigned supreme.
[Aus]X. Herbert Poor Fellow My Country 614: Col did so at once, to be informed that although Billy was still in the locality, seeing that his donkeys were there, nothing had been seen of him for several days, and it was presumed he was suffering a recovery.