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Extreme non-romantic love for ones brother, sometimes similar to worshiping the ground they walk on.

Can also be related to daddy complex where they're filling a void that is missing, but instead looking for guys that are like their brother.
Girl: "So you play WoW?!"

Guy: "Yeah, why do you play too?"

Girl: "Nah, but my older bro does. He's such a sweetheart.... I really miss him...."

Girl: "So do you also play Minecraft?"

Guy: "Let me guess your brother also played that?"

Girl: "Yeah, and he took me out to eat, and walked around with me at midnight, and told me how much he cared about me and would always be there for me. He wants nothing to do with me now though...."

Guy: "Do you have a brother complex or something? Why do you care if I do the same things as your brother?"
by Brothercomplex November 21, 2011
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Nov 18 Word of the Day
Treating every relationship like it’s your last and getting super serious with someone you just started dating.
Person 1: who tf is that new chick w alex?
Person 2: idk he's been apocalypsing like crazy
by Plenty of Fish November 10, 2020
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A brother complex is basically the same as a sister complex but for one's brother.
Boy 1: "I tried super hard to get into to the same school as my older brother. And now he's leaving me...I bet he got a girlfriend!!"
Boy 2: "Are you jealous?"
Boy 1: "NO! I just can't believe he left me."
Boy 2: "...Brother complex much"
by VMJ March 29, 2009
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