A priest, a monk, and a rabbit walk into a clinic to donate blood.

The rabbit says, 'I think I might be a type O.'

More dad jokes you'll groan at

Can a kangaroo jump higher than the Empire State Building? Of course! Buildings can't jump.I adopted a dog from a blacksmith. As soon as I brought him home, he made a bolt for the door.What kind of bird works on a construction site? A crane.What kind of car does a sheep like to drive? A Lamborghini What do you call a cow with two legs? Lean beef.Did you hear about the whale that swallowed a clown? It felt funny after.