Verb. 1) A sexual act usually acted out in the darkest of fantasies. 2) An act consisting of several parts. a) During intercourse, the woman lays on the bottom. b) When the man reaches climax, the woman slips out between his legs and clambers onto his back. c) The woman grabs his nipples, twists, and plants a very large steaming log on his lower back while he cums on the sheets.
"I finally took your advice last night, Rachel. As soon as he was about to cum, I gave him a downright nasty Panoonoo!"