bespatter

verb3

1. •
   To spatter or cover with something; sprinkle with anything liquid, or with any wet or adhesive substance.
2. •
   To soil by spattering.

   • The flour bespattering Squeaker's now neglected clothes spoke eloquently of his clumsy efforts at damper making. — 1902
3. •
   (figurative) To asperse with calumny or reproach; shend.