noun/masculine. Mex. A soccer match, played usually on the street with no strict regulation. Commonly played between teams with no more than 5 players. Goalposts are made of stones, sweaters, jackets, cans, backpacks, bottles, almost anything. The game lenght is usually determined by the number of scored goals per team. Also used as a verb "cascarear".
cacabrains can be smart too if it slides down the hill for ten years because then you can use it in your garden as fertilizer and eat your own caca for thought.