Actually, her expression is more along the lines of:
"Enough with the "DANZAI!~"s, just give me your tits and you're free."
But that's not very school appropriate, is it?
My (second) favorite character ever, Shikieiki Yamaxanadu~
The inspiration is Chihiro from Spirited Away, people were asking about the placement of facial features.
DANZAI! DANZAI! DANZAI!!!!! ([link]