Noun: Alcohol and caffeine in one can. illegal in the US and Canada
Dude you drank a 4 loco.
Yeah now im gonna barf
by FlowBro16 March 29, 2011
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A good strong drink, Quick way to get fucked up
Hey i was fucked up last night

Why what you do

I drank a whole 4 loco
by Buckeyesnut99 February 23, 2016
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