What is Slut Dog?
1.
A person who gets on your nerves and you have nothing else to call them.
Angel you are a fuckin slut dog.
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2.
A dog that repeatedly smells or licks other dogs buts, but will never express a prefrence, therefore will keep on doing so until it dies.
"look at that slut dog! I wish it would make up its mind, i don't want it licking my Cocker Spaniel!"
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