vaginal decompressant Share definition Flag something, specifically a penis or dildo, that loosens up a tight ass vagina My vaginal decompressant is working perfectly, that bitch was so loose i could fit a tree in there. vaginal decompressant by big pick 20 May 22, 2007 0 0 Get merch Get the vaginal decompressant mug. Buy Now — $32.95 See more merch