But while the girls drowned their sorrows in warm lager, the chaps popped into the local pub only to emerge dressed as, er, nuns.
With the joint creative director Malcolm Duffy whipping out his guitar with one hand and hanging on to his wimple with the other, the hapless heroes made a surprise attack on the sozzled ladies by galloping over the hill toward them, merrily murdering classics from that memorable singalong The Sound of Music.
Apart from the sight of several sweaty and unnaturally hairy sisters, the piece de resistance was a rendition of The Lonely Girlherd, with rewritten lyrics appropriately bemoaning the lack of "hot man action".
"At MCBD was a lonely girlherd, Lay ee odl ee odl lay hee hoo, Looking for blokes was the lonely girlherd, Lay ee odl ee odl lay hee hoo.
"In Soho bars they could often be heard, Lay ee odl ee odl lay hee hoo, Out on the hunt was the lonely girlherd, Lay ee odl ee odl lay hee hoo."
Clearly, it's been slow in the office recently.