A coarse curse or insult directed at a person, invoking the mother who gave birth to them; used to express anger, contempt, or strong reproach.
2.
SpainLatin Americacolloquialemphatic
An emphatic exclamation used to praise, celebrate, or intensify admiration for a person or action; can be used playfully or approvingly rather than offensively.
Examples:
ES: ¡Viva la madre que te parió, aunque sea yo, y olé!