scrape up

verb4

1. •
   to collect together by scraping

   • scrape up all the dirt left in the bath.
2. •
   to gather together something needed (especially money)

   • If I empty all my pockets, search around the house, and ask a few friends for a loan, I should be able to scrape up enough money to buy that new suit.
3. •
   To scrape completely; cover all over with scrapes.

   • He should not have used that old dirty rag. Look how it scraped up his paint job.
4. •
   (no longer used) To clean a roller and slab by removing ink.