irse de culo

• IPA^(key): /ˌiɾse de ˈkulo/ [ˌiɾ.se ð̞e ˈku.lo]
• Syllabification: ir‧se de cu‧lo

irse de culo (first-person singular present me voy de culo, first-person singular preterite me fui de culo, past participle ido de culo)

1. (colloquial, vulgar, idiomatic, El Salvador, Guatemala, Nicaragua, Bolivia) to be taken aback or shocked

   Me fui de culo cuando lo vi engañándome.

   I was taken aback when I saw him cheating on me.

• “irse”, in Diccionario de americanismos [Dictionary of Americanisms] (in Spanish), Association of Academies of the Spanish Language [Spanish: Asociación de Academias de la Lengua Española], 2010