A sibster is a person who acts like everyone's sister. A sibster has lots of friends and pals, because they are very friendly. A sibster is like a sister but is of no blood relation.
"Nat's my sibster, ya know?"
ayon kay verydifferentname ika-12 ng Hulyo, 2006
a sibling who is a sister
I have three wonderful sibsters.
ayon kay Qith ika-28 ng Marso, 2009