Military term meaning chocolate starfish, ringpiece, anus, rectum etc. etc.. Comes from
I'd like to unwrap her chocolate orange. Sometimes shortened to just 'Tap it, unwrap it' (Extra clue - reove the foil from a Terry's chocolate orange and look at it from the 'North Pole') - see the resemblance ?
When a slice of orange is interted into the anus as a prank; preferably of the mandarin or satsuma variety.
"Hey, man, you got any of those little oranges?"
"No, dude, why?"
"Ed's passed-out in the back. Chocolate orange!"