Man walks into a bar and sees a sign,"make the donkey laugh and win free drinks all week"man says can anyone have a go,barman says yes,so he takes the donkey outside,comes back in 1 min later,donkeys got tears of laughter rollin down his face,barman says"amazin,how did you do it" man replys"I told him I've got a bigger knob than him"barman says"right,ok I'll give you free drinks all year if you can make him cry" man says ok,takes the donkey outside,2min later,come back in,donkeys sobbin uncontrolable,barman said "amazin,how did you do it this time"man reply "I showed him my knob"