1 definition by Insert Dorky Nae
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