which means cursiado in Spanish is incorrectly written and should be written as "cursiada or cursiado" being its meaning: Extreme diarrhea
Cursiado refers to curse, since it's a way to introduce the word cursed from English to Spanish
Obviously it was enough to consult by cursiado. And I'm not sure how Spanish it is, because I have it more associated with lunfardo and as Americanism.
Defecated in a place and time inadequate, usually by suffering from diarrhea. Walking cursiento is having a bowel movement very often.
( Diarrhea ) loose from the stomach.