A common comeback or a sexual joke made by people
I had fun last night
I had fun last night with ur sister
The person I did last night
John: I saw u in my house last night
Carmine: yea I was doing ur sister
John: GET THE FUCK OVER HEAR
Smack your sister on August 8th
Smack your sis National Smack your Sister Day
When you are hanging out with an age appropriate girl and you meet her little sister and it's a easier and guaranteed hook up
I've been out with this girl 3 times and last time I met her sister and shes just little sister food.
Two women, who are acquainted with one another, have had an encounter with the same grease monster who has brushed his tongue agressively on both of their leather cheerios in the past. I.e. Tossing salad sisters, Booty hole besties
Tammy-"so this guy rick licked my b hole last night"
Lyndsay-"wait dirty rick?? He licked my butthole too!"
Tammy-"are we salad sisters??!"
Lyndsay-"yes"