When a Mormon couple doesn’t want to go too far, but takes a shower together in their garments and touch each other. What the world calls heavy petting.
Babe, I don’t want to go to far and talk to Bishop, I’ll go get the shower hot, so we can do a dripping sister.
by danielrossi December 16, 2022

An alcoholic punch spiked with Xanax by sorority girls, in secret and at random.
Generally for sorority-only events and parties.
Often a means for fellow sisters to seduce one-another.
Lesbian orgies have resulted.
Generally for sorority-only events and parties.
Often a means for fellow sisters to seduce one-another.
Lesbian orgies have resulted.
O.M.G who made the sister punch last night?!
I don’t remember anything after Emily brought me to her room LOL!
I don’t remember anything after Emily brought me to her room LOL!
by Lexi Black November 6, 2019

When your mother starts having babies before your granny stops having babies, and now you are 3 years older than your aunt, but you're both raised like siblings.
by Tara Crush April 29, 2019

When a sister has or garners friends that unbeknown to her are in the friendship to meet said sisters brothers. Can be incredibly awkward when you invite a friend over to play my little ponies and the friend is more interested in the brothers comings and goings. Typically the younger sister of two or more brothers, but can be applied to older sisters as well. Usually occurs around first grade for the sisters when the brother pretends he is helping make a mud-pie, but in truth has an agenda to make the new friend the recipient of his first kiss. This anomaly can continue into adulthood. Often results will be marriage and children....
Interested Friend: Wow work was hard today. Hey who were those boys that came into to see you?
Wing-sister: Oh that was my brother and cousin.
Interested Friend: Hey wanna hang out soon?
Brother: Hey you know that one chick you hang out with?
Wing-sister: Yeah we are going to make mud pies for Mom today.
Brother: Need some help?
Wing-sister: Oh that was my brother and cousin.
Interested Friend: Hey wanna hang out soon?
Brother: Hey you know that one chick you hang out with?
Wing-sister: Yeah we are going to make mud pies for Mom today.
Brother: Need some help?
by littlesb February 13, 2012

(noun) 1. skinny jeans when wore by men. 2. pants so overly tappered and tight, they look like they were borrowed from your sister.
1. John completed his Emo look by wearing a pair of sister's pants. 2. "Man, look at that kid over there," exclaimed Derick as he pointed out a 20-something year old man wearing a pair of sausage-tight jeans, "how can those sister's pants be comfortable!"
by burkeysway June 3, 2010

Lady One- "You've slept with Jack too?"
Lady Two- "You know that makes us sausage sisters now, right?"
Lady Two- "You know that makes us sausage sisters now, right?"
by Jakungb June 27, 2019

Sister Jonathan (Jon Guelas) is a nun created within the United Vibe fandom, and has become an iconic face of the X Factor 2018.
by sisterjonathan November 1, 2018
