Nubbin

//ˈnʌbɪn// noun, slang

Definitions

Noun
  1. 1
    A stub, especially a stub of undeveloped corn or fruit or nipple.
  2. 2
    a small nub (especially an undeveloped fruit or ear of corn) wordnet
  3. 3
    A small protuberance, bud, bump, or knob. informal

    "As an avid button collector, I have had to develop an efficient way of removing the nubbin of thread from the buttonhole."

  4. 4
    Synonym of clitoris. euphemistic, slang, vulgar

Etymology

Perhaps nub + -in.

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