A male/female, usually aged between 15 and 20, who looks to be in their early teens. Commonly refered to as losers, as they tend to insult their only friends, often resulting in alienation.
"I thought Jimmy was cool, until he called me a slut. Then I realized that he was a total Mashley, and I didn't need to waste my time around him."
by SarZeeAsh January 1, 2009
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The combined names of two soulmates with the names Ashley and Matt. Two of which can never be separated by any force known to man-kind.
It is a name given to the couple by their friends before they realize the couple are actually meant to be together forever.
Matt and Ashley dating and being soul mates = Mashley
by MathewD January 21, 2009
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A fat, usually bearded fake, whom you like at first then realise is just a narcissist trying to con you out of money to open a shit bar, then lose it all through incompetence

Often has small hands
I used to fancy Martin, but after he stole from me and lost all the money, I realised he was a Mashley.
by Hiding in the dark. May 1, 2017
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Someone Who is a Fan of Both the Animation Meme Youtuber Sashley and the 80s Musician Morrissey

It Could also Mean Someone Whos Both a Fan of Modern Animation Memes and Old Music from the 80s and 90s
Guy 1 (Listens to Eurodance on his Phone with a Wolfychu Wallpaper a Mashley Situation if You Will)

Guy 2 Arent You a Little to Old to Have a Wallpaper like That

Guy 1 But im Listening to Eurodance Like a Real Man!

Guy 2 But Your Not a 90s Kid You Look Like you Were Born in 1997 You Were Probably a Sperm Cell in Your Dads Nutsack When That Song Came Out

Guy 2 Well Thats Why i Watch Animation Memes as Well Because i'm a Furry and Also Because People Like You Said i was Just a Sperm Cell in My Dads Nutsack When This Song Came Out my Soul Was Actually a Mythical Being Collecting Dragon Balls While You Were Suffering in Poverty After Your Father Died after the Fall of the USSR, Thats Why
by baliebox4916 October 5, 2021
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The art of two people coming together, normally a guy and a girl, and one of them is controlling, and the other is a little bitch.
I would go fishing with you guys but Mashley won't ever let me.
by VandyVulture July 17, 2018
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