Nurses in a morgue
Three nurses in a morgue discover a dead man lying on a slab with a magnificent erection. Not wanting to miss a good chance the first nurse hitches up her tunic and rides the dead man. Then the second nurse does the same. the third nurse isn't sure about it as she's on her monthlies but the other two egg her on, so she jumps on board. Halfway through her orgasm the nurse looks down and is shocked to see the dead man smiling up at her.
She says: We thought you were dead.
He replied: I was....but after two jump starts and a blood transfusion I'm much better now!