Go the hell away. Same meaning as WHATEVER and SCREW YOU. Said mostly jokingly or when someone is annoyed.
Karm: Eff off, you annoying POS.
by Miss AnGie January 19, 2003
I don't drink, smoke, do drugs, have sex, eat meat or swear. If you don't like that, then eff off, ya big weenie!
by Anonymous October 10, 2003