When something so unlikely to happen actually happens.
It is rumoured that when there is 0.13% chance of an event happening, and that event does happen, then it is an epic scruts.
When Hitler's sister/wife gave birth to a 10 stone whale, they named it Joseph Beton.
All the fans were cheering and shouting, but when they saw how fat the baby was, they were amazed!
Ever since then, that moment has been known as an epic scruts.