alabama sister

The act of a sister seducing, having sex with and possibly getting pregnant with another part of her family

"Dude what happend last night" "My fucking sister pulled an alabama sister on me and now shes pregnant

by donald the duck January 11, 2017

Alabama sister

When you love a girl like a sister but still sleep with her on occasion.

“Are you guys dating?”
“No she’s just my Alabama sister”

by Thewaythecookiecrumbles October 13, 2021