dink dink /ˈdɪŋk/

noun

1. A soft return so that the tennis ball drops abruptly after crossing the net  ( dink , drop shot )
   a soft return so that the tennis ball drops abruptly after crossing the net
   

 DINK

1. A couple who both have careers and no children (an acronym for dual income no kids)  ( DINK , dinkie [Informal, British] )
   a couple who both have careers and no children (an acronym for dual income no kids)