D defs.my
Entry 1 sense Webster, 1913

futz

· IPA /fʌts/
01 v. i. To fool around; to act without plan or purpose; -- usually used with around; as, don't futz around with a device without understanding its …
  1. 1.
    To fool around; to act without plan or purpose; -- usually used with around; as, don't futz around with a device without understanding its operation.[Slang.]