|1.||The Forbidden Swan|
for⋅bid⋅den fer-bid-n, fawr- swan swon
A sex act of either mutual or sole discretion in which a copulating couple of any sexual orientation lock the door to the room in which they participate in intercourse, forbidding a swan from entering the room.
Person A:"What's that bird doing sitting outside that door?"
Person B: "Ah, someone's in the middle of doing the forbidden swan! dirty bastards."