Elixir, beautiful nectar of life that increases one's capacity to talk to beautiful women exponentially.

Side effects include: disdain for sobriety , chronic erosion of morals, inability to speak, partial temporary amnesia, complete aversion to anything resembling work, permanent irreversible inability to be shy around beautiful women, brain damage, and misspelling of simple words
I drank so much four loco I couldn't use my hands.

I was having so much craic on that four loco, I never realised I had spelt it wrong for 2 months.

Four loco? Sure that's morning drink!
by The craic police September 13, 2013
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