Annoying Little Brother Syndrome (A.L.B.S) 

Always at least a second child.
Usually tattles
Constantly steals the spotlight
Gets blamed by all older siblings

You know I'd like to go to the club, but my super Annoying Little Brother has some kind of Syndrome or something. I can't get over how whinny he is, and he's such a little snitch, he'll just tell my mom or dad. Stupid Annoying Little Brother Syndrome (A.L.B.S)

Annoying Little Brother Syndrome (A.L.B.S) by AUnknownSeaUrchin December 13, 2023

Everett's little brother 

Harrison

Everett's little brother is Harrison

Everett's little brother by Preston@heyguys April 26, 2019

Pulling a little brother 

verb

Pulling a little brother is when someone is being very annoying and difficult to deal with, to the point that you want to physically hurt them

Person 1: did you see Azlan today?!
Person 2: yes! He was totally pulling a little brother

Pulling a little brother by SuperiorSibling August 7, 2019

Earth's little brother 

Mars is Earth's little brother planet.

Robots are exploring Earth's little brother.

Earth's little brother by Natural Life March 7, 2021

America's little brother/sister 

The actor/singer/celebrity that could be the little brother or sister of anyone with a little brother or sister, since this person actually was somebody's little brother or sister growing up.

If the singer/actor thought his/her boy/girl next door image was bad, he/she could have always got stuck with the America's little brother/sister image of the other actor/singer/pop star.

America's little brother/sister by The Original Agahnim September 28, 2021

little brothers 

The annoying little thing that always piss you off, but mums love them.

"I hate little brothers"

little brothers by D-BUCK March 5, 2005

Little Brothers 

Little Brothers are either the best or the worst. You love them sometimes but at other times they are literal torture.

person 1: hey, do you have a little brother?
person 2: yes I do, hes the worst.
person 1: all the time?
person 2: no just most of the time

AND THERES THE DEFINITION OF Little Brothers FOR YA XDDDDD

Little Brothers by cat burrito yeeyee June 23, 2020