siscest en · NOUN
Etymology
From sis + -cest.
Meanings
-
(uncountable) Synonym of sistercest
It’s sooooo cute n sexy!!!! ¶ Love siscest and love breeding kink 🤤
2023 March 27, @snowysucc, Twitter (post), archived from the original on 03 Sep 2025:@004Nadleeh ooooh yes plz *v* with your sister as Luffy? Siscest ftw XDDD *hides* (lol, one is topless & one doesn't button his shirt, sexy)
2009 August 18, @picarcia, Twitter (post), archived from the original on 03 Sep 2025:yes i support siscest but i draw the line at yaoi
2024 November 7, @abbysarrow, X (post), archived from the original on 03 Sep 2025:when bae wont siscest roleplay with U (she probably would Im just too afraid to ask)
2025 July 9, @senkaseni, X (post), archived from the original on 03 Sep 2025:This isn't really a suggestion. I just have all these random stickers I made for what may be the only time a pair of corporate vtubers […] put on some lowkey siscest bait. There's like 30+ of these, I've had no idea what to do with them ever since.
2023 May 29, @10BillionDreams, Twitter (post), archived from the original on 03 Sep 2025:CONFESSION: ¶ I'M INTO INCEST, SISCEST, BROCEST
2015 April 28, @NekuKiryu, Twitter (post), archived from the original on 03 Sep 2025: