To be/have damaged, hurt, wrecked, or put in serious disrepair; to be/have been ruined or beyond repair; To have arduously processed materials or scrap metals.
"I fell off my dirtbike and my knee got muttlered!"

Other - "Yeah, I got the muttler load!" (in reference to scrap metal collection)
by WillTH October 8, 2008
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