Moob

//muːb// noun, verb, slang

noun, verb, slang ·Moderate ·College level

Definitions

Noun
  1. 1
    A plump or untoned breast on a man. plural-normally, slang

    "Vince has Moobs (man boobs = moobs)"

  2. 2
    An instance of moobing. slang

    "The latest Stockfish on my laptop finds mate in 22 in less than a minute. Do you have any examples where a boom (or moob) occurs after 2-3 minutes of evaluation?"

Verb
  1. 1
    To rapidly adjust the evaluation of a position towards zero, indicating a likely draw. intransitive, slang

    "Stockfish was slightly moobing until Leela played Qf5. An innocuous looking move that immediately sent alarm bells ringing and Stockfishes^([sic]) evaluation just kept rising."

Synonyms

All synonyms
man boobman boob

Antonyms

All antonyms
boom

Example

More examples

"Vince has Moobs (man boobs = moobs)"

Etymology

Etymology 1

Blend of man + boob.

Etymology 2

Inversion of boom (“to rapidly adjust the evaluation of a position away from zero, indicating a likely win or loss”).

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