This is the 13071st most frequent Spanish word.
porquería
Something dirty, worthless, or of poor quality; rubbish or filth.
'Porquería' describes an undesirable or low-character behavior.
No me gusta que me trates así, ¡esa es una actitud de porquería!
I don't like being treated like that, that's a lousy attitude!
'Porquerías' refers to actual dirt, trash, or mess in a physical sense.
Esos niños siempre dejan porquerías por todo el piso.
Those children always leave trash all over the floor.
'Porquería' is used here to refer to something of very low quality or disappointing.