a. After narcotising someone with Rohypnol AND Viagra, then climbing on and having your wicked way with them/yourself, entirely without your victim/abusers knowledge, you can claim to have performed a Reversy Percy, a feat of such moral paradox and logistical difficulty that it is topped only by a Hitler Youth DVDA.
b. Bag of sweets sold by popular British high street retailer, Marks and Spencers.
"Alice, you smell of vodka - heavy night?" "No Ben, I feel great - I pulled a reversy percy this morning. Started drinking at 4 and I'm smashing through my work."
He Let me Reversy Percy Him.
We tried a reversal 69