When you are fucked up on literally every drug imaginable (weed, x, PCP, LSD, acid, shrooms, coke, crack, meth, whippets, some kind of tranquilizer, Molly, and whatever else you can think of). You are so gone that if you get drug tested, one drop of your urine could kill 5 baby seals. You are on the drug highway traveling towards Warlock.
Dude last night I was soo fucked up, man I was straight Sheenin'.
1)A person who is doing whatever they feel and having no regard for what others think.
2)Having a party with rock stars who snort, smoke, drank and spank....all night long!
1) Yo, you sheenin' dude! You really gonna go out with the Asperger's girl just to get her to buy you that car?
2)The club gon' be sheenin' tonight!