When you squeeze honey into someone's ass, and then lick the asshole clean. Then the person proceeds to take a honey covered shit on your chest, hence Winnie the Poop!
The act of simulating Winnie the Pooh in real life by wearing nothing but a smallshirt, preferably red, but not required.
Person 1: Aww shit that bitch just got flashed by some drunk dude with only a shirt on.
Person 2: Yup, you could definitely see his dick and all. That bitch just got Winnie the Pooh'd