Loose legged Posted in L Best definition Loose legged Someone that opens their legs easily.E.g. someone that goes on a one night stand or sleeps around. You know that girl your dating? Well I hate to break it to you but she is loose legged!!! How satisfied are you with the definition? Looking for Loose legged meaning? Delighted that you discovered the greatest determine on our web site! Recently this definition was actually observed 110 times.