plashily--prophetes.ai

plashily, adv. rare.
  (ˈplæʃɪlɪ)
  [f. plashy a.² + -ly².]
  With a plashing noise.

1926 R. Macaulay Crewe Train iii. i. 240 Going away, going away, going away. The waves plashily said it over.

Oxford English Dictionary