litter tray

Anus, shit pipe, durgo, chimney, sewer pipe.

Big Pat: Dal, I heard you had a date with the barmaid from the Dog and Duck last night.
Dal: Phwoaarrr I had my work cut out there mate. All she wanted was chopper.
Big Pat: I hope you obliged?
Dal: Mate I even stuffed it in her litter tray.
Big Pat: Good boy.

Kipling

As in Mr Kipling, purveyor of fine cake(s). Cake being slang for money, specifically cash. The term Kipling is commonly used when communicating with business associates via text or telecon, notably to conceal the fact that certain works may be paid via cash as opposed to putting "through the books".

Bazza: Dal, I've finished clearing the scran off the roof tiles with the cherry picker.
Dal: Good boy, I'll see you at the weekend with the kipling.