Name used for females commonly found performing actions which require legs "Wide Open". Commonly shortened simply to "Susie Two Legs" in usage, This term is derived from the common need to identify such a female, without drawing attention to the subject of conversation.
Guy 1 - "Yo, I've already seen that girl hooking up with 3 different guys at this party!"
Guy 2 - "Oh, you talkin' about ol' Susie Two Legs... Wide Open."