Definition of "dribblesome"

After supper — which is a lengthy, spoon-fed, dribblesome business — he likes to play Schubert or Brahms on the Steinway in the conservatory.

1992, Chris Wilson, Fou, page 177

Would rather be music than be a mass of tubes squeezing semisolids around itself for a few decades before becoming so dribblesome it'll no longer function.

2004, David Mitchell, Cloud Atlas, London: Hodder and Stoughton