An augmented version of the word for shit, commonly used as an exclamation when a person is pissed off (killao is a Dominican term for being extremely annoyed or angry).
Mierdasa! I dropped my bread. Mierdasa! I cannot find what I am looking for. Mierdasa! why am I reading this?
To be extremely pissed off, annoyed, or fed up. It describes a level of anger or frustration that the speaker feels is particularly intense or unique to their mood.
Loyola (a prominent school in Santo Domingo) has me quillao because they hassle me too much. My girlfriend had me quillao with that so-called friend, so I dumped her.
A person who is incredibly annoying or bothersome, who keeps fucking with you until you can't take it anymore. (The expression 'more than the devil' is a common Caribbean intensifier used to describe something extreme).
Damn girl, you are so killante, fuck... stop it already, I am fed up!