forget it (?.)
- abandon
- brush aside
- brush off
- dismiss
- drop it
- drop the subject
- fat chance
- forget
- forget about it
- ignore it
- lay aside
- let it go
- let it pass
- let slip
- never mind
- nix
- no matter
- no sirree
- no way
- nope
- not a chance
- not much
- nothing doing
- push aside
- put aside
- set aside
- shrug off
- skip it
- sneeze at
- think nothing of
- thrust aside
- turn away from