oatmeal vagina Share definition Flag When you fill her vagina with rolled oats and fuck her until clumpy seamen begins to seep out. Your sister and I got real kinky last night. Let's just say she has a nasty oatmeal vagina. oatmeal vagina by The Sexy Taco September 8, 2016 0 0 Get merch Get the oatmeal vagina mug. Buy Now — $32.95 See more merch