Weird liquid??

Sarah
Right before i was about to go to work i noticed it felt like there was something in my vagina and it hurt and was was uncomfortable so i went to the bathroom and grabbed a mirror and saw that there was discharge in my vagina so i got some toilet paper and got it out but shortly after this some milky-white liquid oozed out. I havent had sex in like 2 weeks so i know its not semen, however i did get "jerked off" by my partner yesterday, but i feel like i shouldntstill  have dischrage coming out. Has anyone had this happen to them? Or know what this is or what is causing it?