an act of revenge wherein the victim has his or her pillow cases turned inside out, filled with male ejaculate then turned back to their normal side with the intent of having him or her sleep with their face down in sperm. This maneuver is also highly effective if the applicant inserts his genitals within the pillow case then cums within it without reversing the case. Generally reserved for prepubescent pranks or immature or hateful ways of telling a loved one how you feel.
Mark: "So how did you tell her that you wanted to get the divorce? that had of been a really difficult conversation with Carol, your wife."
John: "I've been letting the sweet dream maneuver give her the news for the last 2 years of our relationship"