Idea For a Great Revenge Prank Against A Homie?

to cut it short i passed out drunk and a homie of mines on video put his as$ in my face while i was asleep....its been 4 months and he totally forgot about the event so now i'm trying to figure out a very embarrassing prank i can pull on him while hes drunk passed out or awake sober doesn't matter as long as its good. i'm open to any and all ideas