What is Sewer Trout?
1.
A piece of feces. (Swims down a sewer channel as would a trout in a river.)
We saw plenty of sewer trout at the wastewater treatment facility this morning.
See
2.
A scuzzy, smut infested woman who smells like piss and vinegar, and may or may not be whoring herself out for methamphetamine.
"Looks like Percy got some sewer trout!"
See
3.
Condom (used) flushed down a toilet. From the rough resemblence to a fish in its unrolled state.