Whoopiee Pie Share definition Flag It is similar to a cream pie, but done in the rectal cavity. Dude that girl was crazy, she was doing all sorts of stuff. After doing some anal, the night ended in a whoopiee pie. Whoopiee Pie by Baystata June 27, 2015 0 0 Get merch Get the Whoopiee Pie mug. Buy Now — $32.95 See more merch