A person who goes on a straight date despite being flamingly homosexual. (This is typically but not exclusively used to describe a situation where the couple met online i.e. Tinder)
My friend Melissa went on this date with a guy from Tinder, and the moment he opened his mouth and called his female friend a queen…she knew he was a rainbow trout.
by Darkraiguy July 3, 2022

"Last night I pretended to have leg cramp, but in actual fact managed to trout Steve for a good three seconds before he overreacted!"
"I saw Nathan meditating earlier and I could've sworn he was touting himself"
"I saw Nathan meditating earlier and I could've sworn he was touting himself"
by trouter October 16, 2009

by Savvy-Lee April 7, 2025

A person with abnormally wet and puckered lips, when receiving a kiss from this person it leaves an uncomfortable wet spot
by Erica k February 9, 2018

A female with tightly pursed lips. Usually attends functions primarily inundated with older rich men or younger studs.
"Me and my buddy Jon Schrodinger went to the Phoenix open last weekend fishing for Trout Mouth. He bagged a good one on the 16th hole."
by SapSucka March 29, 2025

by Lunch Meat September 19, 2018

by 44 st July 28, 2022
