two fellas sat at the bar...(only slightly adult content)

[AdamM]

...enjoying a pint when the landlords dog strolls in, wanders over to the warm fire place and settles down infront of it. As dogs do, he reached down and commenced licking his balls.
"Will you look at that," says one guy,"god I'd like to be able to do that."
"He looks like a nice enough dog," says his mate "If you give him a biscuit he might let you."