Rainbow Trout

A good looking girls pussy. Opposite of Brown Trout. See definition.
When a good looking girl walks past: "Trout! Definately Rainbow trout!"
by DJ Harman-E March 11, 2009
Get the Rainbow Trout mug.

Brown Trout

A girl walks past: "Trout! Euurgh, that's definately Brown Trout!"
by DJ Harman-e March 11, 2009
Get the Brown Trout mug.