Top Definition
A plastic is a girl who thinks makeup is the only key to making a girl pretty, so they wear a lot of it. A plastic also wears a lot of the same brand, like abercrombie and fitch or hollister or american eagle. A plastic normally wears 5 inch padded bras even though they have no boobs watsoever. PLastics aren't like Barbies;most plastics aren't pretty, and if they are, its only because of their makeup. A plastic is someone who actually brags about how much they straighten their hair. They don't do well in school at all.
the girl was a plastic, so she said "OK so everyday i put on toner, bronzer, blush, eyeliner, mascara, eyeshadow, lipgloss, and other stuff!"

"I straighten my hair everyday except today because i couldn't find a tight enough abercrombie shirt and all my padded bras were in the wash!"
by i know what iM DOiNG May 18, 2006

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