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MA5H (MASH) are the initials for an artist or so called DJ. MA5H is known to like younger girls and diggz them often when the chance occurs.

MA5H have won many prizes for taking down girls and producing music, including the so called N.A.B award after his outstanding performance at his friends house.

MA5H can also be used as an accomplishment. When you have taken down a girl younger than you (about the differences of 3 years) and literally banged her.
"Hey dude! I just MA5H'd Penny!
"Oh nice man, high five!
by Isen December 18, 2012