stands for "Sorry If You Don't"
I like oatmeal, sorry if you don't.
I like oatmeal, SIYD.
A friend of a friend of yours. Someone you have yet to meet, but is friends with your friend. Someone you share a mutual friend with. Someone you share a mutual buddy with.
Oh your friends with (insert mutual friends name)? That makes us buddy in-laws!
Free Daily Email
Emails are sent from email@example.com. We'll never spam you.