A cheap pair of non-designer sun glasses that can be tossed around, dropped, scratched, or lost. These glasses can be found at gas stations, flea markets, or events like Warped Tour. One of the most popular styles of beater shades are imitation Ray Bans made of cheap plastic with neon colored arms, usually given away as freebies at concerts.
I'm just going to bring a pair of beater shades to the beach, I always loose them anyway
A Beater Boos, is a boy who is seemingly nice when first dated. This boy then becomes a big douche bag and cheats on his girlfriend. Beater Boos' are attracted to younger girls, specifically grade nine girls or younger, especially ones that are sluts. They are usually chubby chasers, getting turned on when their girl is able to scarf down two big macs in five minutes. A Beater Boos also likes to hit girls in the face for no apparent reason.
Dan: "Hey that guy just hit his fat girlfriend!"
Mike: "Dude, I know that girl, she gets around."
Dan: "Must be a Beater Boos."
Beater's leg is when you beat your meat so hard that one or both of your legs go numb.
Eryc: Bro, i was sitting on the toilet and beat my meat so hard my left leg went numb bro. And my dick got a little swollen too bro. It caught a case of beater's leg bro.