1
general::
Phrase(s): scrub something off (of) something [and] scrub something off
to clean something off something by scrubbing. (Of is usually retained before pronouns.) • I have to scrub the mud off the porch steps. • Did you scrub off all the grease?, Phrase(s): scrub someone or something off
to clean someone or something by rubbing. • Mother scrubbed Timmy off. • Liz scrubbed off the countertop.
McGrawhill's American Idioms And Phrasal Verbs