I wish that the monkey’s paw never existed, doesn’t exist and will never exist.

Granted. The Monkey's Paw has never existed, and therefor, neither has your wish. The Monkey's Paw returns shortly after, as your wish has never existed; and thus, an endless cycle begins that slowly tears away at the will of the universe itself.

Eventually, everything ceases to be, except the ever-changing existence of the Monkey's Paw, flickering in and out as if it were a lightswitch.

Granted, your dicks still small