Trout Snout
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."
Snout trout
One who performs fellatio
“Ida Lupino was a snout trout. She blew him behind the food truck” (courtesy of James Ellroy, in his new book , “Widespread Panic”)