A colloquial expression used mainly in South America, particularly in Argentina, which means to ruin someone's plan or to spoil something for someone.
Examples
- Spanish: Iba a salir con mis amigos esta noche, pero mi jefe me cagó el palo y me pidió que trabajara hasta tarde.
- English: I was going to go out with my friends tonight, but my boss spoiled my plan and asked me to work late.