What is Dum-dum?
1.
a more brilliant way of saying that something is dumb-ish or someone is. dum-dum is "dumb" only that the b-sound is depleted and the new formed word is repeated twice to accent the state of being.
Omigosh! Here comes the dum-dum of the century!
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2.
A sensational, scrumptious, pretty, big girl with huge boobs - a kind of ultra heavy bombshell. Sometimes/Often/Always (choose for yourself) such girls were a bit booby/dumb, so that the word dum-dum the silliness sounds too.
Matt, you know, Shirley is a dum-dum - she'll flatiron you, man, Hank said.
What a manner of death, Matt whispered enthusiastic, keeping his eyes glued to Shirley.
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