Top definition
A lunch time holiday celebrating salsa and Paul Newman.

Mexicanaco Day is always celebrated with Tostitos, Paul Newmans Own Black Bean Salsa, a bowl, and friends.

It started when a bunch of high school friends who all decided that tomorrow they wanted Salsa. Eventually the tradition grew into a fiesta celebrating salsa at lunch time.
Cool Guy: Do you know what next Friday is?

Not So Cool Guy, but has potential: No, what?

Cool: Its none other than Mexicanaco Day.
by Baron S. June 28, 2009
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