I think they're asking for guaracazo, with z. It can mean increased guaraca. Guaraca is a surname of Quechua origin. It is also the rope, string or piola of a trumpet. Therefore guaracazo, can also be a blow or injury caused by guaraca (almost always a burning or slaging). They are also called guaracazo, to each concert of Angel Guaracas, a singer of popular music of Ecuadorian origin. Moreover, in Colombia guarascazo, means strong blow, baton.
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