Zoo keeper says to Paddy, “The gorilla is on heat and we need someone to have sex with it. Would you consider shagging it for 500 pounds?”. Paddy replies, “I will on 3 conditions:
First, I’m not going to kiss it. Second – my family must never know. The third one – I’ll need a couple of weeks to get the cash together!”
This joke is included in the Black Book of Jokes. You can order it from here.