Top definition
When two actors/actresses play siblings in one or more movies and love interests in another/other movie(s).
"Did you know Shailene Woodley and Ansel Elgort are brother and sister in Divergent and like dating in Fault In Our Stars?"

"What?! That's cinema-cest."
by ChubChub2000 October 24, 2014
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Apr 21 Word of the Day
I've been jabbed
by Francesco II March 20, 2021
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