Buy your stinky dog a thong
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Yes a weird one here.
Do you want your stinky dog to smell nicer?
Well I can make your dog smell nicer.
It's yours for a thong!
eh, there was a good pun in there, just couldn't dig it out. sorry.
anyways...here's a link to an article about a company that makes a charcoal thong that filters your dogs farts.
Strange New Products: Doggie Thong for Farting Dogs