A conglomerate of Spanish swear words.
This combo is known by people on the Balearic island of Mallorca and has been used on the island since at least the 80's.
Mariconada: derived from the spanish word "maricón"-gay, faggot. Usually the acts of a maricon, but also all kinds of things that are "gay" or lame etc.
La última pelicula de Almodóvar es una mariconada!