sissyism en · NOUN
Etymology
From sissy + -ism.
Meanings
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(uncountable) The quality of being a sissy.
Dad had also wanted to be a writer—another indication of sissyism. Only sissies want to be writers.
1999, Andrei Codrescu, Laura Rosenthal, Thus Spake the Corpse: An Exquisite Corpse Reader, 1988-1998, page 227: