Little sibling 

The most fucking annoying piece of shit that walked the face of the earth. Copy’s ur every fucking move.

You are playing COD and u die
Me FUCK
little sibling: FUCK
Then ur mum walks in and grounds u for a month for teaching sibling swears. You see little sibling gripping mums leg and sneering at u.

Little sibling by Maboiasznee November 21, 2019

Big-little sibling 

A younger sibling who displays characteristics that the oldest should possess.

I'm the youngest of my siblings, but more mature. I'm a big-little sibling.

Big-little sibling by Kassy Kas September 10, 2022

national your little sibling sucks day 

July 26th, national your little sibling sucks day. this is the one day of the year when your little sibling has to admit they suck. It's the law. they also HAVE to mean it.

My little sibling must now admit they suck because it is national your little sibling sucks day,

national your little sibling sucks day by Elia Al-Nims July 24, 2021

Little Younger Sibling 

the most annoyingest thingy in whole wide universe

Little Younger Sibling: Blah Blah Blah Blah Blah Blah Blah Blah Blah Blah Blah Blah Blah Blah Blah Blah Blah Blah Blah Blah Blah Blah Blah Blah Blah Blah Yak Yak Yak Yak Yak Yak Yak Yak Yak Yak Yak Yak Yak Yak Yak Yak Yak Yak Yak Yak Yak...
Older Sibling: help

basically an anoying family member that bothers you 24/7 that maybe hates you. for real

Little Younger Sibling by chez_plez August 29, 2023

nihachus.littlesibling 

Nihachus.littlesibling is hot and gay and hot and gay therefore you should go follow bug. Bug is better than you and will always be. All hail Bee.

“Have you heard of nihachus.littlesibling? Shes so weird- *dies of 100% natural causes*” and that kids is what happens when you invalidate him. All hail nihachus.littlesibling.

nihachus.littlesibling by Im a literal god August 29, 2021