1 definition by Charlie7x

'Sandy' refers to someone - specifically a female - who's change in appearance gives the illusion of a different personality. The origins of this word stems to the 1978 film 'Grease', which sees a transformation in Sandy's (played by Olivia Newton-John) appearance during the film.
"Did you see Sarah at the party the other day? She pulled a Sandy!"
by Charlie7x December 8, 2019
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