What does Beater Shades mean?

Beater Shades meaning in Urban Dictionary

an inexpensive pair of non-designer sunlight eyeglasses which can be thrown around, dropped, scratched, or lost. These cups can be seen at filling stations, flea areas, or events like Warped Tour. Probably one of the most popular varieties of beater colors are imitation Ray Bans made from cheap synthetic with neon coloured hands, usually given away as freebies at concerts.