Rub out
Definition 1 of 2
Pro Tip 1/3Non-permanent
Use 'rub out' for actions that remove temporary marks, hinting reversibility and correction. 
If you rub out the pencil marks, your drawing will look cleaner.
Pro Tip 2/3Manual Action
It implies physical effort with an eraser or similar object to remove marks. 
I had to rub out the entire chalkboard after class.
Pro Tip 3/3Mistake Correction
Often used to correct a mistake in writing or drawing. 
When you find a typo, just rub it out and continue typing.