Definitions by Hippyfish
Piper
A Piper is the most funny, caring girl with a magnetic personality, that is the best. Boys love her and she is friends with everybody. She’s humble and kind. She can be mean when she wants, so don’t get on her bad side. If you have a Piper in your life don’t loose her! They are often sexy and are attracted to one kind of boy.
Bucking
When a girl is so pleased by getting tongue fucked she starts to move around and buck up in pleasure