Also found in: Dictionary.
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To wash someone or something very thoroughly and vigorously. A noun or pronoun can be used between "scrub" and "down." Make sure you scrub the kids down before they go to bed—they've been out playing in the mud all day. We'll need to scrub down the car before my parents get home, or they'll know we took it without asking.
scrub someone or something down
to clean someone or something thoroughly by rubbing. The mother scrubbed the baby down gently and put lotion on her. Please scrub down this floor.