A nasty ogrey boy who likes it up the asshole. His best friend is usually a scrawny pale boy (somewhat like the book Of Mice and Men). He is an idiot. Once you fell under the trap of this beast, its hard to get out of. Beware.
Did you see Shane the Ogre over there?
The one ugly and alone? Yeah I saw him.
Meaning: Occurring with a very low frequency, suggesting that something is likely to happen only on exceptional occasions or not at all. It is used to describe an event or action that is close to not happening but is not entirely absent.
Example: "My application will be approved when the sunshines on Rjukan!"