Quite possibly the best instructions ever printed on a piece of candy. These three words best describe how to properly eat a Terry's chocolate orange.

See, the Chocolate Orange itself is solid, like a real orange, if you unwrap it... so, one must Whack the chocolate orange on a solid surface and Unwrap it to get at the chocolatey-orange goodness.
Update: "Whack and Unwrap" appears only on the US version, it seems. It's "Tap and Unwrap" in the UK and other areas.