D defs.my
Entry 2 senses Webster, 1913

lap up

/lăp ŭp/ · IPA
01 v. t. To take up (drink or food) with the tongue; to drink by licking up.
  1. 1.
    To take up (drink or food) with the tongue; to drink by licking up.
  2. 2.
    To accept or enjoy enthusiatically and uncritically; as, to lap up praise.(fig.)