means fuck that shit or in other words don't let anything stress you out or annoy you. Life's too short to let bullshit bring you down. NOT SPELLED LIK THE FOLLOWING....fuckthtshit, fuckdatshi, or fukatshyt
1) My boyfriend just cheated on me with the local whore. "O well fuhkahtshyd!"
2) I just failed my math test. "Fuhkahtshyd i'll be ok."