or dumb-dumb



a silly, stupid person.


typical of a dum-dum: another dum-dum idea.

Origin of dum-dum

apparently reduplication and respelling of dumb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for dum-dum

Contemporary Examples of dum-dum

Historical Examples of dum-dum

  • Even the dum-dum does not invariably "set up" on striking an object.

  • The bullet, fired at close range, had been almost as destructive as a dum-dum.

    A Lively Bit of the Front

    Percy F. Westerman

  • She carried a light, sporting .303, its magazine loaded with Dum-dum cartridges.

    Forging the Blades

    Bertram Mitford

  • I found a few hollow-nosed bullets, too, expanding like the Dum-Dum.


    H. W. Nevinson

  • My gun was loaded with Dum-Dum bullets, specially prepared for bucks.

    On Commando

    Dietlof Van Warmelo