A syndrome diagnosed to fictional characters. This syndrome identifies the villainous behavior of antagonists, anti-heroes, and other character types as the quality that makes them attractive. In simpler terms, villain bad and therefore hot.
person 1: how can you simp for that guy? he’s a murderer!

person 2: bro he’s got S.S.S. written all over him. i can’t help it.

person 1: what the hell is S.S.S.?

person 2: you don’t know what S.S.S. - Sinister Sexy Syndrome is?
by kaeyas.stepstool September 12, 2021
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