zizzhttp://www.oed.com/dictionary/zizz_v%3Ftab%3Dmeaning_and_usezizz, v.
Revised 2021

zizzverb

    1. 1.a.
      1883–
      intransitive. To make a whizzing or buzzing sound; to move with such a sound (usually with adverb or prepositional phrase expressing direction).
      1. 1883
        To-day, after their mud batteries have been zizzing for six weeks, Leon Abbett is stronger than ever.
        Trenton (New Jersey) Times 2 November
      2. 1919
        The ‘Glorious Fourth’ was marked in Cullman only by an unusual number of cars zizzing along the streets.
        Cullman (Alabama) Democrat 10 July
      3. 1963
        Then she [sc. a bee] saw the carpet and zizzed.
        Punch 1 May 621/3
      4. 1970
        The banger'd started zizzing furiously.
        T. Lewis, Jack's Return Home 89
      5. 2002
        Outside the mouth of the cave, hummingbirds zizz past.
        Smithsonian May 102/3
    2. 1.b.
      1912–
      transitive. To cause (something) to make a whizzing or buzzing sound; to cause (something) to move with such a sound.
      1. 1912
        In fact, if every opposing player had zizzed a daisy-cutter into Doc's interior department, he couldn't have been more surprised.
        Muskogee (Oklahoma) Times-Democrat 26 March
      2. 1970
        Darts and circles about on the floor after its wheels are zizzed smartly.
        Daily Telegraph 16 December 11
      3. 2010
        ‘No disabled access.’ Frankie zizzed the chair into life, ‘That's against the law.’
        L. Welsh, Naming Bones ix. 100
  1. 2.
    1942–
    intransitive. colloquial (chiefly British). To have a short sleep or nap; to sleep. Occasionally transitive with away: to expend (time) in sleeping. Cf. to zizz off, Z n. I.4.
    1. 1942
      implied in:
      Sleeping is ‘zizzing’ whether it's on the job or in the hammock. [at zizzing n. 2]
      Gen 1 September 13/1
    2. 1945
      Get your head down, have a sleep. Also Zizz, Pound the ear, [etc.].
      D. Bolster, Roll on my Twelve Gloss. 134
    3. 1961
      Reckon this sector's safe. Might as well zizz.
      D. Moore, Highway of Fear xxxvi. 240
    4. 1972
      I zizzed away the worst of the afternoon, awaking some three hours later.
      K. Bonfiglioli, Don't point that Thing at Me xii. 94
    5. 2004
      I nod off in chairs, I rest my head on my arms at my desk and zizz.
      Daily Mail 25 March 12/2

zizz, v. was revised in March 2021.

zizz, v. was last modified in July 2023.