This one leaves a little more to the imagination than your last sheep joke,  so enjoy...   


> A ventriloquist cowboy walked into town and saw a rancher
> sitting on his porch with his dog:
> 
> Cowboy: "Hey, cool dog. Mind if I speak to him?"
> 
> Rancher: "This dog don't talk!"
> 
> Cowboy: "Hey dog, how's it going?"
> 
> Dog: "Doin alright"
> 
> Rancher: (Extreme look of shock)
> 
> Cowboy: "Is this your owner? (pointing at rancher)"
> 
> Dog: "Yep."
> 
> Cowboy: "How's he treat you?"
> 
> Dog: "Real good.  He walks me twice a day, feeds me great food,
> and takes me to the lake once a week to play."
> 
> Rancher: (Look of disbelief)
> 
> Cowboy: "Mind if I talk to your horse?"
> 
> Rancher: "Horses don't talk!"
> 
> Cowboy: "Hey horse, how's it goin?"
> 
> Horse: "Cool."
> 
> Rancher: (an even wilder look of shock)
> 
> Cowboy: "Is this your owner?" (pointing at rancher)
> 
> Horse: "Yep."
> 
> Cowboy: "How's he treat you?"
> 
> Horse: "Pretty good, thanks for asking.  He rides me regularly,
> brushes me down often, and keeps me in the barn to protect me
> from the elements."
> 
> Rancher: (total look of amazement)
> 
> Cowboy: "Mind if I talk to your SHEEP?"
> 
> Rancher: (stuttering, and hardly able to talk)......
>  "Th-Th-Them sheep ain't nothin but liars!!!"
> 
>