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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 9, 2021
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National big sister day

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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 3, 2019
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Ariana (Big Sister)

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Only job is to bully, and annoy Ebonie every day of the year.
Ariana (Big Sister) must annoy Ebonie, or she will as a sister.
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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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