1 definition by Theworldisflat.edu

Short for the word “sister” but also just an answer to any question ever.
Susan: “how was your weekend?”
Janet: “sis...”
Susan: “omg sis what’s the tea sis—spill!”
Janet: “sis!”
Susan “sis”
—and so on and so forth until Antichrist comes and the world is over
by Theworldisflat.edu August 3, 2018
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