hmm maybe it was the pile of manure at london zoo....Oh wait no I just thought of something way worse than that:

The house my ex lived in stank, it was a house share between 4 people there was 3 guys (even though one of them left another guy replaced him) and my ex-g/f (the ginger minger as we called her) one didn't do any cooking or washing of clothes in the house as he kept going back home and his bedroom stank of sweat and dirty bedlinen and that was the CLEANEST room in the building! the kitchen was piled high with dirty washing, old rubbish from house parties and the like and the cat litter tray (which lived in there) was soo dirty I was seriously surprised the cat would use it! that was smelly.
The lounge was disgusting the floor was hard wood and either sticky or simply smelly from beer/cider/spirits being spilt on it and not cleaned up and maybe the occasional vomit puddle that whilst mopped up had not been disinfected. However these weren't the worst offenders hell no, neither was the bathroom or my ex's room (even though she had tons of dirty clothes infact she never washed a single item of it when she lived there to my knowledge) it was this guy called Julian who lived there, his room was the worst! he didn't wash (his body or his hair) for the entire period they lived there from the day they moved in to the day they got evicted for non-payment of rent, being a neighbourhood nuisance and trashing the house more so that it already had been. His room would have required a biohazzard suite to go in to if you weren't used to his stench. I don't understand how this man managed to get any girlfriends to go back to his pit or what manner of colds they must have had to bung up their noses that they would actually go anywhere with him! (I'm working on the theory it was SARS) Yet he had 2 girls go back in to that room with him that he was dating and atleast 2 slept with him in there (one of the girls he dated wouldn't sleep with him as he stank she later confided in me whilst trying to get me to go out with her at a club, that weren't going to happen!) oh and apparently when they moved his shizz out of there the carpet was infested with maggots and all other creepy crawlies and they found used condoms in there when he hadn't had a girl friend for over 4 months! YUK!

I believe that stench was the worst ever especially since he would eat meals in there and NEVER brought the plates down to the kitchen afterwards!