big sister

guy: hey u got a big sister
guy 2: yes i do!!! she sucks
guy: obviously for crying out loud
by Stupid Af July 04, 2021
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Big Sisters & Big Brothers

Organizations that pair young kids with older "brothers" & "sisters". They spend quality time together & it makes up for not having a Mom or Dad. Great for youngsters!
{Big Sisters & Big Brothers are in practically every town & city nationwide.
by Starchylde May 21, 2016
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Big Sister Milk

Fresh arousing milk produced from the finest 2D onee-chan's oppai
My onee-chan gave me a sip of her big sister milk!
by Your Secret Urges August 12, 2018
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Big Sister Syndrome

When you have always been the one to pick on your siblings with no consequences... and therefore as an adult shamelessly poke at others even when you shouldn’t. Specially when an adult female poked fun and teases others because they never had an older sibling to put them in their place.
My girlfriend won’t stop trying to tickle me when we cuddle and finds it funny. It’s like she has big sister syndrome. Little does she know what’s coming!
by Bigsistersofurban February 09, 2021
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National big sister day

A day dedicated to our big sisters, because they helped raise us too!!!
I have to buy my sister a gift for National Big Sister Day
by Bellerrrrrr December 03, 2019
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Big Sister

A big sister is a little sister that has grown up, and is no longer capable of collecting Adam from corpses. They are in a deep sea diver suit, just like a Big Daddy. They are able to use Plasmids, and have a large needle to take Adam and transfer it into themselves.
Eleanor: If I can survive, I’ll need to become like you. I’ll need to become a big sister.
by n_u_m_l_o_k September 29, 2020
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