Trout Snout Share definition Flag a smell similar to fish left on the end of your nose after going down on your female partner. "So bob i ate out my wife's pussy last night and now i have a serious case of trout snout." Trout Snout by Sherman Cassidy October 8, 2004 0 0 Get merch Get the Trout Snout mug. Buy Now — $32.95 See more merch