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.
Sister 2: I got this.
my sister sucks
your sister is not cool, is rude, and makes you want to kill yourself
my sister sucks. i want to leave
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.”
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
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: