Arreglárselas, to manage. The Diccionario del español de México of El Colegio de México defines it as finding a way to solve a problem “improvisando los medios o recursos que para ello se requieren” (improvising the means or resources that it requires). Salir del paso, to get out of a tight spot. The dictionary defines it as resolving a situation “a veces improvisadamente” (sometimes in an improvised way).
Áhi se va, “there it goes,” is a colloquial way of saying that something will do as it is. The dictionary’s example is Entrégalo, áhi se va, “Hand it in, it will do.” Hechizo, as an adjective, describes something made “improvisadamente, sin ajustarse a las reglas o a los procedimientos genuinos” (in an improvised way, without following the rules or the genuine procedures), as in una turbina hechiza, a makeshift turbine.