Y.C.S.S. (Younger Cuter Sister/Sibling Syndrome)

When you have a younger sister/sibling that is better looking than you

Stacie is okay but have you seen her little sister Jessica? Stacie totally suffers from Y.C.S.S. (younger cuter sister/sibling syndrome)

by Discobeck August 28, 2018

Younger Sibling Syndrome

When a younger sibling constantly feels inferior to their older sibling.

there always compared to their sibling, it’s a clear case of Younger Sibling Syndrome

by Imhotandurnot November 14, 2022