fadeaway

noun3

1. •
   An instance of fading away, of diminishing in proximity or intensity.

   • In his final years he [John Ogdon] gave an interview to an American journalist who noticed that "his handshake is a boneless fadeaway["]. — 2014
2. •
   A jump shot made while jumping backwards, away from the basket, with the goal to create space between the shooter and the defender, making it much harder to block.

   • He taunted the Knicks instead with hanging jumpers, impossible fadeaways and layups in traffic. — 2009
3. •
   (slang) The ending of a personal relationship by stopping any contact with the other party and not providing an explanation.

   • Why some people choose to do the infamous "fadeaway" instead of a clean break?