When promiscuous individual, has had so much intercourse within a short time frame, that their body is sore, in some places more than others.
Girl 1 ~ "Man I am such a Slutasoarus.I met the finest guy last night, and we went to his place and I got d*cked down all night. I am so sore, I can hardly even sit down"
Girl 2 ~ "I swear you ARE the biggest Slutasoarus I know! That is the 3rd guy you hooked up with this week. Maybe you would be able to sit down, if you learned to keep your legs together"