A derogatory term used in reference to long-term methamphetamine addicts due to their erratic behaviour and mannerisms, but mostly due to their ghoulish features caused by the physical side effects of the drug. See also: Tweaker, Crankhead, Burnout.
There aren't many people in Walmart at this hour; just a few random people in the aisles and a bunch of meth goblins hanging around the arcade machines.

She used to be pretty funny and good looking, but a few years on the shit turned her into a meth goblin.

I was out getting my mail the other night and a big carload of meth goblins drove by and yelled something at me.
by jkcarter March 29, 2016
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