Mexican Spanish slang
La chingada is a term commonly used in colloquial, even crass, Mexican Spanish that refers to various conditions or situations of, generally, negative connotations. The word is derived from the verb "chingar", "to fuck".
The concept of "la chingada" has been famously analysed by Octavio Paz in his book "The Labyrinth of Solitude".
Spanish uses of the expression.
The following list of expressions featuring "la chingada" appear in Gómez de Silva's "Diccionario breve de mexicanismos" (2001):