1) The large sexual organ a male donkey has
2) A colloquial term for a
gentleman's large phallus
3) A variation upon the
British game 'Bogies' wherein members of the class/group have to shout 'Big Floppy
Donkey Dick' as loudly as possible without either being caught doing so or getting embarresed in the process. The winner is the person who shouts it the loudest.