A bloke is talking to a mate of his in a pub who tells him that there is a girl he knows that will do it for a fiver. In fact, she’ll do anything for a fiver. 

So the bloke goes to see her, pays his five quid and has a great time shagging all night. He goes there every night to see her - five quid each time.

After a week he tells his 85 year old Granddad what a great time he’s having.

“Honestly Granddad”, he says, “she’s fantastic and she’ll do anything with anyone for a fiver”. His Granddad’s really interested and asks the lad for the girls address. Next evening, Granddad goes round to see the girl.

“Are you that girl my grandson says will do anything for a fiver?”, he asks.

“Surely will ol’ fella”, she replies.

“Well here’s five quid”, says the old bloke, “..paint our house