"what makes a dog stink"
This is too funny not to mention. I've noticed this search query in my referral list time and time again so I had to see where I stood in the results. I'm the first result for Google, but sadly in fourth place with Live Search. It's really not too much of a surpise given my domain name, but I still find it humorous.
With regard to actually answering the question [for those of you that reached here looking for a real answer]... It could be any number of things making your dog stink:
~tod
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