NOTE: If you're not using a Kitchen Torch to caramelise the meringue, you can pop them on an oven-proof plate (obvs) in a very hot oven (470f/240c) for a matter of moments. Watch them carefully, tho, as they will go from gently browning to dragon-style incinerated in seconds!
Alcohol parading as a milkshake - pure evil, if it wasn't such genius, and delicious genius at that! Mudslides is how I know these cocktails, but tell me if you know them by another name. For my version, which is enough for two good size mudslides you'll need: