bespatter

Etymology

From be- + spatter.

verb

1. (transitive) To spatter or cover with something; sprinkle with anything liquid, or with any wet or adhesive substance.
2. (transitive) To soil by spattering.
   The flour bespattering Squeaker's now neglected clothes spoke eloquently of his clumsy efforts at damper making. 1902, Barbara Baynton, edited by Sally Krimmer and Alan Lawson, Bush Studies (Portable Australian Authors: Barbara Baynton), St Lucia: University of Queensland Press, published 1980, page 15
3. (transitive, figurative) To asperse with calumny or reproach; shend.