Definition & Meaning of "morto"in English

What does "morto" mean in Irish slang?

In Irish slang, "morto" means extremely embarrassed or something that causes strong embarrassment. It is commonly used in everyday Irish teenage and young adult speech, especially in social situations where someone does or says something awkward, cringeworthy, or socially uncomfortable. The term is widely used in informal contexts like school, friendship groups, and social media, where it expresses second-hand embarrassment or personal humiliation. It is a shortened form of "mortified," adapted into a casual slang adjective rather than a formal grammatical word.