Fade is a slang term which originally meant murder/kill, as of today, the term has evolved and has numerous other meanings. The term is believed to have started in Los Angeles, California by gang members in the area. The term was used by gang members because after they murder a rival gang member, that member's gang numbers were faded.
An example of this slang term is "They're trying to fade me, but I won't go without a fight".
Other slang term deriving from this particular term includes "Faded (Drug Slang)" and "Catch A Fade."