sibcest

noun

1. (rare, uncountable)Sexual or romantic relations between siblings.

   “There's no word yet on if this modern-day version of Cruel Intentions will have any sibcest, but if Cruel Intentions is any indication, this series will be sure to have some jaw-dropping moments.”

   “Sibcest! Orgasms! Annalise picking out sexy dresses! Sex was on everyone’s minds this week, and not just because of the case-of-the-week’s client in peril: a holistic sex worker who founded her own sex party-throwing clinic, only to be put on trial when one of her clients has a heart attack mid-coitus.”

   “This coerced sibcest plotline is seriously disturbing, and paints Jenna as one of the show's most disturbed villains.”

   “The Keating clan did make headway on the Hapstall case, though; Catherine (Amy Okuda) is a virgin, meaning she isn’t sleeping with her half-brother and the term “sibcest” can be put to rest.”

   “The modern day adaptation of Jane Austen's Emma is sprinkled with romance (how cute are Cher and Josh, despite the step-sibcest thing?”