scratch that

scratch

1. verb, slang To cancel (something). There were a number of aspects of the project we had to scratch in order to make our December deadline. I heard they scratched the Modern Literature class for the fall semester.
2. noun, slang Money. I needed to buy books for my class, but I just didn't have the scratch. Make sure you have enough scratch for food on your trip.

scratch that

interjection A set phrase telling someone to ignore, forget, or disregard what was just said or instructed. I wonder how much it would be to have our wedding inside the aquarium? Actually, scratch that, that's a ridiculous idea.
See also: scratch, that
Farlex Dictionary of Idioms.
See also:
  • flag
  • flagged
  • flagging
  • cod
  • gangshag
  • dished
  • crap
  • crapped
  • craps
References in periodicals archive
Or put his scratching post next to it so he has an acceptable place to scratch that is equally enticing.
I am sure, after all, that each of these groups gets scratched, but none of them will have to endure the kind of devastating scratch that only a cat with talon-like nails and deeply mischievous intent can inflict.
The automaker also cites scratches caused by off-road driving and fingernails as the kind of scratch that can be repaired by clear paint.
This is due to roughness introduced by cavitation within the ABS scratch that results in a decrease in the specular reflectance from the bottom of the scratch.
SCRATCH THAT: The Lotto scratch cards games are popular with punters all over Ireland
The scratch that resulted from the 1 and 0.6N loads could not be detected for any of the specimens.