When you drift into a powerslide within Gran Turismo 3 A-Spec on the Playstation 2 and don't know the name of the action, so you name it after a grain.
Paul: Woah! How'd you get around my car? I've been in first the entire!
Rudd: I don't know... I guess I used the Oatmeal Maneuver.
When you pour oatmeal on a woman’s wet vagina and right before you cum you stick your dick inside of her pussy covered oatmeal, substituting the water used to make oatmeal with semen.
Yea Johnny got me good last night and gave me an oatmeal cream pie. So hot
person 1-Maybeinsert conspiracy theory actually is true person 2-no that's just stupid
person 1-omg what do you know?!
person 2-fucking Oatmeal people...