Top definition
It's a meth user who buys laundry soap or some like that, takes it home and pours out the soap and refills with water and then returns it to the store for a refund. If done 3 or four times can generate enough funds for their next fix.
Hey I don't have an Id will you do this methswitch for me.
by carbonette May 12, 2011
Get the mug
Get a methswitch mug for your Facebook friend Beatrix.