C-bomb

//ˈsiːbɒm// noun, slang

noun, slang ·Moderate ·College level

Definitions

Noun
  1. 1
    Abbreviation of cobalt bomb: A type of nuclear bomb encased in cobalt. abbreviation, alt-of

    "Unlike steel, cobalt absorbs radioactivity, and in the explosion of a C-bomb, the thick shell of cobalt metal would be blasted apart with such force that the cobalt would be pulverized into very fine dust."

  2. 2
    Alternative letter-case form of C-bomb. alt-of
  3. 3
    The word "cunt". informal

    "However, herein lies the anxiety of using the C-bomb. While I am very happy to use it (a little too liberally admittedly) in my everyday parlance, it still feels slightly shocking to see it written down and one is reminded that, for many, it is still the last word in offensiveness."

Synonyms

All synonyms
c-wordcobalt bomb

Example

More examples

"Unlike steel, cobalt absorbs radioactivity, and in the explosion of a C-bomb, the thick shell of cobalt metal would be blasted apart with such force that the cobalt would be pulverized into very fine dust."

Etymology

Abbreviation + bomb. In second sense, after F-bomb etc.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.