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2.
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 20, 2009
 
1.
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 01, 2009