Top definition
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 28, 2011
Get a 4 Loco mug for your Uncle Vivek.
2
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 22, 2016
Get a 4 loco mug for your mother-in-law Rihanna.