The male version of a Mary Sue. Usually super strong and muscular, extremely attractive, everyone likes him except for the evil bad guys who only ever focus on Marty Stu instead of themselves, is all about action and being a hero, is perfect in every way, you get the point.
I tried to enjoy the book that my aunt gave to me as a gift, but alas, the protagonist was too much of a Marty Stu for my taste.
by nlolhere February 24, 2021
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1. A delicious alcoholic beverage consisting of Bacardi Limon, Diet Pepsi, and ice.

2. A reggae/rock band from Boston, Mass. www.myspace.com/stutail
Last night the Stu Tails threw a great party! Too bad my 16 year old sister went to the hoxpital.
by DeliciousDrank October 16, 2009
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- noun
1. A whinger.
Josh: I wish I was talented enough to do something substantial with my existence, but I think I'll just tell everyone I was on a college TV show once and complain like a J Stu for the rest of my life.
by gIIoyd June 15, 2008
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Completely wasting valuable time by taking a nap after getting 10 hours of sleep because you're too much of a little girl to, God forbid, go to bed past 12.
Chris: What's he doing?
Michael: Oh just takin' a stu.
Chris: Typical, what a piece of shit.
by zaxeZra October 16, 2009
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The second, much less popular killer from Scream. His motive was peer pressure and he died from having a T.V pushed onto his head by Sidney Prescott.
Person 1: Who's your favorite scream character?
Person 2: Personally I like Stu Macher. Matthew Lillard did a pretty good job.
Person 1: Who's Stu Macher?
by Dr.Mcface January 23, 2022
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Tucking your dick back between your legs so you have the appearance of a tail poking out. Commonly confused with "the goat". A goat is considered being only the testicles tucked.
Guy1: Dude that chick was so hot
Guy2: she was totally a guy. I could see his stu tail poking out behind him.
by Picklebread June 7, 2015
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