razzberry

/ˈræzˌbɛri/
noun
  1. A sound made by blowing through closed lips, used to show disapproval or mock someone; a raspberry.
    • When he bragged about his cooking, his sister responded with a razzberry.
    • The crowd gave the referee a loud razzberry after the bad call.
    • She blew a razzberry at the TV when her favorite character was eliminated.