Crinkleneck trout Share definition Flag Crinkleneck trout is a colloquial term for cylindrical shaped feces. Oops! I totally forgot to flush that crinkleneck trout. lol. You're welcome. Crinkleneck trout by Lunch Meat September 19, 2018 0 0 Get merch Get the Crinkleneck trout mug. Buy Now — $32.95 See more merch