It's smells awesome especially when she farts!!! :)
Edit: it's called Eproctophilia look it up it's a fetish and my gf is fine with it and her ass is awesome cuz she's in track and volleyball so -blam!- ya'll
Edit: the bigger the better juicy and wet mmmmmmmmmmmm
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That's what dogs do isn't it? Can't say I like smelling farts myself, but hey, if she's got a fine booty, she's got a fine booty.