A classroom gypsy is that kid who always just sits where ever there is a free chair and has not really 'claimed' his own. This usually occurs when a class mate has been away from school, ill or on holiday.
*Daniel sits down in Robbie's chair*

Harry: "Hey Robbie is back!".

Robbie: "Move it classroom gypsy, that's my chair!".
by Matty McL October 26, 2012
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