Mexican Train

First of all, I'm not sure why they call it mexican train. It seems a little racist to me. I mean, why not call it Jihadist train, African train, or even Canadian Train.... *shaking head*
Whatever.
Anyway, it is a type of game played with Dominos (nothing to do with 'running a train' - so get your sick mind out of the gutter).

It is a game of numbers, patterns, sequences and is a hell of a lot of fun.
More fun when you add said math game plus semi-strangers, plus dirty, sandy beach on edge of river, plus alcohol and stir.

Maybe that is why they call it Mexican Train.

I get it.