Bob and Shirley were engaging in hot anal sex... when Shirley accidently "shat" on his dingleberries... "OH CRAP" he cried, for he realised he had just been Schanaled./
Anal sex between two straight men, or a group of straight men. Happens coincidentally, is not premeditated, and is never referred to ex post facto.
Gee whiz fellas, this is a great party, but there aren't enough chicks. We could be setting ourselves up for some deep penetrating, back wetting stranal!
Similar to yumand deriving from the word scran meaning food, 'scranalanalan' is used to express pleasure at eating, or at the prospect of eating, a particular food or meal.