A lady and her dog were enjoying

A lady and her dog were enjoying a stroll in the park.

when her dog was mounted from behind by a large .

The was really humping away and the lady was frantically trying to break them up, to no avail.

A small boy name little Johnny walked up and stuck his finger in the , and the action immediately stopped.

The lady was amazed.

“How did you do that?” she asked.

The little Johnny said,

“That’s my dog! He can dish it out, but he can’t take it!”