A term commonly used to describe students at Christchurch Girls' High School, it is a
play on words, meaning that girl's high girls are easy -
margarine is easy to spread, as (
apparently) are girl's high girls's legs
Boy from CBHS: Damn, where's she from? She's hot! And I think she's
looking at me...
Girl from AGHS: Ah, CGHS. Why do they always steal our guys?
Boy 2: Um, cos they're hotter than you?
Girl from AGHS: No, because they're
margarine legs,
that's why!