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A bullet with deep user-made cuts in the tip. The cuts help the dumdum bullet fragment into chunks on impact, causing severe injuries and bleeding on a scale normal bullets would be incapable of. By definition, dumdums are less accurate than regular ammo.

Dumdum bullets are illegal for use in warfare and may be illegal for civilian ownership in the United States.

Also see dum dum.
The cops say Jimmy got shot in the gut with a dum dum bullet... it took him like five minutes to die, man - he was bleeding that bad.
by Tronno November 24, 2004
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DumDum Sex

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When parties involved in love making are stoned or on some type of drug. Most likely they are sloppy from being under the influence of weed, shrooms, or any type of downer.
Man, that hippie chick is fat. I'll bet she loves getting stoned retarded and having DumDum sex!
by Jonny FratHard February 24, 2011
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gay slang for a particularly large penis, so named because of the supposed damage it does to internal organs during anal intercourse.
I almost fainted when, with a wicked twinkle in his eye, Alec whipped out his dumdum bullet.
by Dunky Oggins November 13, 2003
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When your fat-ass friend keeps going on about McDonalds having bad service and waiting an hour for his lunch, this is what you say to them.
Khaled: Duuude, i've been waiting for my food from McDonalds for soooo long, i haven't eaten for like 5 minutes

Luani and Mohammed: SHUT YOUR BUBBLEGUM DUMDUM LOOKING ASS THE F*** UP
by Zainorulesfifa November 11, 2018
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An annoying line in a silly song which you find yourself continually humming/singing/yelling at inappropriate times
"I'd be dum-digi-digi-digi-di-dum-dum--dum-digy-digy-di-dumdum.....oh i'm in a meeting and being an arse!"
by Squelch August 23, 2004
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fw.dumdum

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A mf who never misses and has the best tiktok content
by Fw.dumdum March 28, 2022
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