There are three guys walking together, a Kerryman, a Dubliner, and a
Corkman. They come across a lantern and a genie pops out, "I will
give you each one wish, that's three wishes." So the Kerryman says "I
am a fisherman, my dad's a fisherman, and his dad was a fisherman, and
my son will be one too.
I want all the oceans full of fish". 'FOOM' the oceans were full.
The Dubliner was amazed, he said "I want a wall around Dublin so
nothing will get in." 'POOF' there was a wall around Dublin.
The Corkman says "Tell me more about this wall, boy, like." The genie
says "Well, its about 150 feet high, 50 feet thick and nothing can get
in or out.
Now tell me your wish"
"Fill it up with water."