During doggy style intercourse, the man slips a finger into the butthole at the height of the orgasm, pulling the finger out immediately after, he reaches around to the mouth of the female and hooks her mouth with his poo encrusted finger.
"Hey Mike how come that chick never called you back?"
"Well after I gave her the brown trout I don't think a phone call from her is even a possibility"
"Well after I gave her the brown trout I don't think a phone call from her is even a possibility"
by Rohan17 December 24, 2007
Get the The Brown Troutmug. vb. -- Dude I totally brown trout'ed that chick last night, I was all like "dude I'm totally brown trouting this chick at the present moment!"
by Eff*Dat July 30, 2009
Get the Brown Troutmug. A sexual act where a female lays on her back then rolls in a slow backwards summersault past the upright position then shits on her own vagina
by ARLG April 14, 2010
Get the Brown Troutmug. by Badass123432344 February 22, 2011
Get the Brown troutmug. Washing our dishes in the river on that camp out wasn't a good idea. With all those Potomac brown trout, we could end up getting hepatitis!
by Ann Tetum December 3, 2010
Get the Potomac brown troutmug. 
fish that can be domesticated, but which is often flushed prematurely. Often dumped into toilets, and mistaken for dead as it has no eyes, fins, tail, and doesn't seem to swim.
Timmy didn't want to flush the toilet, but his daddy reassured him, telling him he would restock the waters within hours with fresh finless brown trout.
by Pantaloon January 14, 2008
Get the finless brown troutmug.