This the act of taking your dog into a sex session with you. The male is railing the woman(or other man) through the anus while the one taking it is sucking on the dogs penis/vagina. They then switch positions, railing the dog up the ass and having the dog suck your dick. (This is usually accomplished by applying large amounts of peanut butter to your hairy blundering cock muffin.)
Jim: Yo Joe, sup?
Joe: Animal rights. thats whats up.. i tried this sweet fetish last night with my girlfriend. Animal rights.
Jim: Whats that? sounds kinky! :)
Joe: Well i was basically railing her while she sucked bingo's dick.
Jim: What the fuck is wrong with you...?
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