A person from the Brass Knights. This word is used to describe annoyingthots and sluts and is generally used as a sign that you're fucking annoyed and shOULD FUCKING STOP.
"Wow you're being such a sigzh lately."
"Sorry, I haven't been feelingwell lately."
The amazing ship between a certain suicidal detective and a casino manager who is technically only three years old. They may or may not have kissed. Their relationship is.... not the best.
Man, Sigzai is such a cute ship! I wonder if they'll live...