Instead of brother being a formal term for a male friend, brother here is used as an expression. It expresses disappointment, surprise, and much more. Replaces how "bruh" is used. Similar to how "oh brother" is used.
In short,
brother is long for bro;
bro = bru
brother = bruh
In short,
brother is long for bro;
bro = bru
brother = bruh
by regi na February 27, 2025

When you and a bro sleep with the same girl, you become inverted brothers. Instead of coming out the same vagina, you've both come in the same one.
by cobson May 14, 2015

Professional slop boy. First person drunk at every party. Has an unresistable hankering for Fireball whiskey. Can be identified at any social gathering with a white nike baseball cap.
by mochaface May 23, 2014

When a person/organization/whatever noun (#1) feels a rivalry with another person/org/noun (#2), and does everything they can to feel like they are beating the other group, meanwhile person (#2) does not recognize the rivalry at all or does not consider person (#!) a threat.
Named this way because little brothers have a knack for being annoying puntable things
Named this way because little brothers have a knack for being annoying puntable things
Greg totally has Little Brother Syndrome, when he heard Alysa read 25 pages he read 30 just to be better than her. Little does he know "Learn ABC's with Caillou" is not on par with "War and Peace."
by bhopcolor February 23, 2022

by Fayt88 September 29, 2017

OOOOH! Well I said that didn't I? The "people find people who share their genetics more attractive." So, yeah! My compounding righteousness explains that perfectly!
Hym "OOOOH! Oooooooh... He looks like her brother! That makes perfect sense. Brother + SpongeBob= Musical-Ginger banging Arianna Grande. Perfect sense. I'm DOUBLEY RIGHT now! Correct×2. Me being correct explains everything. I'm a genius."
by Hym Iam August 16, 2023

“The sun will shine on us again, brother” -Loki 2018, after an attempt to stab Thanos with a dagger.
by irondad stan May 6, 2019
