Slang for the British Pound is Quid.

Mister shark is swimming along when he comes across mister squid.

"How're you doing mister squid?" asks the shark.

"I feel terrible." says the squid.

Mister shark says, "Oh, you poor thing. Come, swim with me to the warmer waters, it'll make you feel better."

They hadn't gone very far when they met mister whale.

Mister whale said to mister shark, "Where's that money you owe me?"

The shark said to mister whale, "Here take this sick squid, I owe you."