A guy that has an irresistible penis that always attracts the ladies. It will always be massive in size and and will always know what it's doing. Normally used in jealousy and/or annoyance.
Dude! You just scored two threesomes in one night! You're such a penis trout!
by LordChikin June 4, 2017
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A dude with a hella dick. This guy will hook all the ladies. Just one whiff of the penis trout will make any girl down for fish tacos and makin' love

Can have a positive or negative connotation
Dude: Bro, you got a penis trout, you're catching all the good ladies
Bro: 7 ladies in 7 nights
Dude: i wish i had a penis trout
Bro: its not for everyone
by What is this crap, bob? June 4, 2017
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