Define She-bear Meaning

a cub's mum
a mother of a cub

A large woman who will very aggressively hook up with/rape men in social situations.

large, ferocious woman, who is often white-trash, known to prey on and rape men half her size. The She-Bear "Ursus donec arctos" is often found in large herds roaming the local Wal-mart, with her kids all from different fathers, trailing behind.

She-Bears can weigh as much as 500 pounds, and will attract men often weighing 130 pounds wearing wife-beaters. The She-Bear can be a socially isolated animal, but they are often found in large herds at shitty bars and other watering holes. They are often very aggressive, especially during mating season, and can be observed attacking everything in site while their mate just watches.
Some men seem to have a fetish for She-Bears, especially while intoxicated, and tend to have an open "She-Bear Season", which is set aside as a specific time to hook-up with as many She-Bears as possible

someone who is the group fuck. not liked by any, they are usually found alone.