Inscism
A sport in which one dates someone who is/ looks like/ sounds like/ or has the same last name like a sister to the other person
Jackson Murray: Hey Layne wanna date
Layne Murray: Yeah sure ur kinda good at soccer ngl
Everyone else: Ewww thats Inscism imagine dating ur sister
Layne Murray: Yeah sure ur kinda good at soccer ngl
Everyone else: Ewww thats Inscism imagine dating ur sister