I didn't think they were fat either... I thought it was funny too. I have been those women (after raving all night rather than shagging, not been single for years. To me it said "we've all been there". Yes and the poor woman getting on the tube at Regents Park, its rough as arseholes round there...
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I think Posho at the end is going into the flats on the north side of Hammersmith Bridge- spot the saddo who has just moved to London and happy to recognise somewhere...
My brother (the swine) did the walk of shame shoeless a few years ago. he pulled some woman went back to hers and when he wouldn't spend the next day with her she refused to give him back his trainers.