Being surrounded or looking at a group of highly attractive and supple girls/women.
Guy: Hey, I did yoga last night at the gym, wow, I was surrounded by a whole room of bendy girls.
Other Guy: Yeah, I think I'll have to attend, them bendygirls sure are hot.
A girl that is highly sought by guys. Attractive and generally does yoga and other activities like dance.
Wow, did you see that bendygirl coming out of the gym.