Sydney became a regular "surfer Betty" (as defined by the slang dictionary:
A cool kind of girl, teens in aussie use this word to describe girls. Their generally laid back surfer chicks who just chill out.
Um...hang 3 or 4 maybe?!....
um....surfer power! no hang 2, yeah, right on!
AW, heck---who cares?!? Sydney is going surfing and XuMei says, "Backock!"