Erasing Ink With Household Chemicals. 1  1. Use acetone to erase ink. Most nail polish remover is made of acetone, and this can be used to remove ink from paper. 2  2. Try rubbing alcohol to erase ink. You can apply isopropyl (rubbing) alcohol to any paper you're trying to erase the ink from. 3  3. Apply lemon juice to your ink stain.
Definition of flop. 1 : an act or sound of flopping. 2 : a complete failure the movie was a flop. 3 slang : a place to sleep; especially : flophouse.
Also called flip-flop circuit. Electronics. an electronic circuit having two stable conditions, each one corresponding to one of two alternative input signals. 4. any of several similar devices having two alternative states, the change of state being caused by some input signal or by some change of input.