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
The meaning of WaterChestnut Sisters is another term for third sisters. It is when you become a certain age; most normally 10 or before a teenager and you’re guardian tells you that you have a WaterChestnut Sister.
“Oh my god guys, I just found out I have a WaterChestnut Sisters!”
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.