sister suck

To perform cunnilingus on another member of your sorority, typically as a friendly favor rather than a typical hookup or relationship

Sister 1: It's been too long since I've gotten laid, I wish someone would sister suck me.
Sister 2: I got this.

by trippletriangle April 25, 2015

my sister sucks

your sister is not cool, is rude, and makes you want to kill yourself

my sister sucks. i want to leave

by charly6187 November 20, 2016

dick sucking sisters

it is when 2 people suck the same dick/balls. so you become dick sucking sisters.

“omg did suck treys dick, me too, we r dick sucking sisters.”

by brookelovestrey June 08, 2022

sister suck

Stranger: I used to have a ####### video of me licking a girl down there but it got deleted
Me: Ok...?
Stranger: that was my sister i did that to
Stranger: she asked me to do it so i did
Stranger: i stuck my tongue really deep in there
Me: Eww
Stranger: Not going to lie, it was great
Me: Ok

Sister suck is not allowed here c:

by TidePodIngebrigtsen69 March 31, 2017