sour poon Share definition Flag n./adj. A woman that is bitter toward sexual activity. Synonyms: ice queen, prude,frigid. Fred didn't get any because that girl he was trying to hookup with was a real Sour Poon. sour poon by CrisMikeHunt August 29, 2016 0 0 Get merch Get the sour poon mug. Buy Now — $32.95 See more merch