A Line of Cocaine, This Definition come from the fact Coke is a Upper.
Can you sort me a livener
A morning after the night before drink or drug; a drug taken to wake up after too much alcohol.
You: Are you coming out this morning?
Me: Wait til I have a wee livener...
Me: God, I'm soooo drunk....
You: Here, have this coke, amphetamine....
Me: Just what I need, a wee livener!