someone who annoys you, loves you and is always there even when you don't particularly need her
she spilled orange juice over my new shirt, yea that's my little sister.
by dr. gerbil January 5, 2017
An annoying 8 y/o who will do anything to get on your nerves.
“My little sister is such a pain in the ass
by ThatBitchAT May 18, 2021