1 definition by Catch-My-Vibe

That one person that if they were your sibling, you would die of happiness.
1
•Girl: I am like- in love with Max Charles.
But like, not a romantic one.
I just want him as my brother.
•Boy: A sibling crush?

2
I have this mad sibling crush on Max Charles.
by Catch-My-Vibe April 2, 2016
Get the sibling crush mug.