Poo'd a cube

When you go for a number two and you feel like you have passed a Rubiks cube or something of a similar shape.

Originated in Manchester in the early 2000's and has been linked to the disappearance of numourous gentleman for at least twenty minutes a go.

John: Where have you been mate, you look terrible.

Dave: Mate I think I just Poo'd a cube! My ring is throbbing...