cagar el palo

Vulgar Latin American slang whose exact meaning shifts by country — in Mexico it means to pester or annoy someone with tiresome, repeated behavior, while in other parts of Latin America it means to ruin an already-planned situation or moment. Coarse, spoken-only register.

• Deja de cagar el palo con esa canción, ya la escuchamos mil veces. — Stop being so annoying with that song, we've heard it a thousand times already. (Mexico)
• Llegó tarde y nos cagó el palo del viaje. — He showed up late and ruined our whole trip.
• No me cagues el palo justo cuando todo iba bien. — Don't ruin it right when everything was going well.

The meaning shifts noticeably by country (annoy vs. ruin a plan) — a learner should confirm local usage before relying on this vulgar, informal phrase rather than assuming one fixed meaning across Latin America.

Often confused with fastidiar.