Fug is a word that has been used for generations, it is one of the most widely unused words in the language. It is commonly known as the same thingas fuck
In computers, a term for four bits, or half a byte. Synonymous with nybble. The term probably comes from the reputation that Jews have had traditionally had for being stingy, as they used to be overrepresented in the banking field.
When converting binary to hexidecimal, onehex digit represents one jewbyte.