Top definition
LSD of course! Absorbs 47 times it's weight in excess reality!
Work was a bitch, I'm definately gonna need my vitamin L this weekend!
by Brian Dolge April 12, 2006
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2
In medical terms, especially in the emergency room, slang for lithium.

Similar to Vitamin H (Haloperidol, an antipsychotic) and Vitamin V (Valium).
"That guy who they just brought in is really manic. He's waving his dick all over the place. He needs some vitamin L pretty bad."
by talia_nurse January 24, 2008
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