Selling a snake

Paddy decided to sell his pet python and put an advert on ebay.

A bloke rings up and asks how big it is.

"It's massive", says Paddy.

"How many feet?" asks the caller.

"Jeez, I tought I was the Irishman", says Paddy.

Spoiler:

"It's a snake - it hasn't got any feckin' feet!"