AnimalsJokes A Small Farm Boy Milking His Cow. What Follows Next Will Make You Laugh Silly. A small farm boy named Little Johnny was milking his cow when all of a sudden a bull came charging toward him. As horrified workers nearby watched, Little Johnny calmly continued his milking. To everyone’s astonishment, the bull stopped a few inches from Little Johnny, turned around and walked away. ‘Weren’t you afraid?’ one of the workers asked Johnny. ‘Not at all,’ the Little Johnny replied, ‘ I knew this cow was his mother-in-law.’ See more Previous joke An Old Man, A Boy And A Donkey Were Going To Town. Next joke An Old Boy Was Walking Down The Street.