The act of shipping or the existence of a couple that have a sibling relation ship or are adopted siblings
''omg did you read that JayDick fanfiction?''
''No dude! They're like brothers that's spiritual incest!''
''No dude! They're like brothers that's spiritual incest!''
by Insert Dorky Nae May 9, 2017

the feeling you get when two of your friends suddenly get close and act like a couple when they insist they’re just good friends. Instead of being cute, though, it just makes everyone feel creeped out. It’s like watching a brother and sister flirt....
“Have you seen the way Rachel and Nick have been acting lately?”
“Yeah man, it’s giving me incest vibes”
“Yeah man, it’s giving me incest vibes”
by Sheeepherder December 19, 2017

by martha56 November 29, 2019

Oldies Incest.
by TrumpTheKiđkissingSexoffenđer. December 20, 2020

by V tha boy November 15, 2019

Hym "The claim being made is that ONLY incest is right and that prostitution, causal sex, amd porn are wrong."
by Hym Iam July 27, 2024
