What is Oatmeal Cream Pie Surprise?
1.
The act of not ejaculating for an amount of time necessary for the semen to become chunky (like oatmeal), and then engaging in anal or vaginal sex until ejaculation.
Dude, I gave that bitch an oatmeal cream pie surprise!
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1.
Also pronounce 'anging'. To be suffering from the combined effects of lack of sleep, amnesia, and an over-indulgence of alcoho..