A form of adderall, ritlan, concerta, etc.
Used to treat ADD or ADHD and in some cases depression.
Can cause dizziness, vomiting, blurred vision, dry mouth, loss of appetite, weight loss, etc.
1. Lindsay stole her sister's Methylin so that she could lose weight.
2. Nicole was perscribed Methylin because she suffers from ADD.
Methellaneous is lots of clusterfuck in a meth users yard. Also could pertain to other areas besides the yard such as counter top areas and in their pockets. And many more.
Holy shit bro bro those twackstars got more methellaneous items in there camper than the Beverly hillbillies truck when they were moving!!!