Education authorities were 'horrified' as girls were snapped on their hands and knees using their mouths to roll condoms on bananas hanging from boys' trousers, says a report by
.The girls belong to the Newnham Nuns - a drinking society at the all-female Newnham College.
Other snaps, taken last year, show an undergraduate proudly holding jugs filled with his own gag while two toffs are seen frolicking with midgets dressed as Oompa-Loompas from the Charlie and the Chocolate Factory film.
Other traditional booze society ceremonies include drinking a pint of water containing a live goldfish, downing gin and port filtered through a condom and staging a mass brawl.
Hospital consultant Adrian Boyle said, "In the last ten years the number of female students coming in extremely sloshed and incapable has shot up. More are being assaulted too."
Alcohol Concern's Carys Davies said: "It's not really setting a good example."
The National Union of Students said it "strongly encouraged" a ban on the "dangerous ceremonies".
A University spokesman said: "We aim to ensure students behave responsibly."