orff 

The white part on an orange just below the skin

Jen peeled the orff off before she ate the orange.

orff by duco May 15, 2008

Quack orff

Euphemism for "fuck off" used by the legendary online spammer Ducky the Duckman, invariably followed by the word "missie".

Quack orff missie.

Quack orff by Kyaw Kyaw Win August 18, 2011

ff or FF 

fully functional

use by adult "entertainers" like escorts for male to female transgender hosts, usually preceeded by a number representing lengh of penis ex: 8 ff or FF - 8" fully functional

ff or FF by staroflife February 23, 2009