A fork of Rural Dictionary
a genderless term much like "bro" or "dude"
you don’t have to be BFFS. You don’t really even have to know them. If she seem chill. then SISSSSSS is what they should be called!
JACK: *texts Jill*
“ SIS! You’ll never believe what popped up on Greg’s phone!!”
Jill: “Girl, SPILL!”
Jack: “Some HOE’S NAME! Do you think he is cheating on me?!”
Jill: “ SIS! YES! Leave his ass!”
****you can also use it in less dramatic scenarios****
Short for "System International." Also known as the Metric System.
The SI system makes more sense than the English system. It should be officially adopted by the US, but we Americans are too lazy for change.
An awesome boy that is kind, nice, derpy, hilarious and clumsy and is a wonderful bestfriend.
Is that Si?!