I'm a...

From cagar (literally: to defecate). Very common in informal speech to mean making a serious mistake. Not considered extremely offensive, more emphatic than rude in everyday conversation.

Hostia literally refers to the Eucharist wafer but functions as a strong expletive in everyday speech. The phrase signals exasperation or confusion about a situation.

Informal and somewhat blunt synonym for morir. Commonly used among young people to talk about death in a matter-of-fact or dark-humour way.

Used to ask someone to stop using jargon, a foreign language, or confusing speech and speak plainly and simply. Culturally rooted but fully idiomatic.

From arrear (to drive cattle). Used as a command to urge someone to hurry up or get going. Common in casual everyday speech.

Used at the end of a sentence to express certainty or strong suspicion. Equivalent to seguro in informal speech, often with a slightly knowing or cynical tone.

One of the strongest common expletives. Signals intense frustration or disbelief. Broadly understood as very rude but is common in highly emotional or confrontational informal speech.