Word.ws English Dictionary

underbutt

underbutt noun: the lower part of the buttocks, especially as revealed by certain clothing such as skimpy shorts.

underbutt: the lower part of the buttocks, especially as revealed by certain clothing such as skimpy shorts
Image: Conrad Poirier, Public domain, via Wikimedia Commons

Noun

underbutt (plural underbutts)

  1. (Canada, US, informal) The lower part of the buttocks, especially as revealed by certain clothing such as skimpy shorts.
    • Strengthens and slims your underbutt!2009, Karon Karter, The Ultimate Body Shaping Bible, page 116
    • Most of the time it's just like any other dressing room, and I try not to cry when I'm forced to confront my underbutt under the bluish fluorescent light the three-way mirror.2010, Shauna Niequist, Bittersweet: Thoughts on Change, Grace, and Learning the Hard Way, page 92
    Synonyms:
    underbum

Synonyms of underbutt

Forms of underbutt

pluralunderbutts

Origin of underbutt

From under- + butt, by analogy with underboob.

Questions about underbutt

What does underbutt mean?
Underbutt means the lower part of the buttocks, especially as revealed by certain clothing such as skimpy shorts.
What part of speech is underbutt?
Underbutt is a noun.
What is the plural of underbutt?
The plural of underbutt is underbutts.

Words near underbutt in the dictionary

  1. underbust
  2. underbusts
  3. underbusy
  4. underbutler
  5. underbutlers
  6. underbutt
  7. underbutts
  8. underbuy
  9. underbuying
  10. underbuys
  11. undercabinet

Source and license

Adapted from Wiktionary: underbutt (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Flame, not lame-underbutt.wav.

Cite this entry: “underbutt.” Word.ws, https://word.ws/underbutt. Based on Wiktionary, CC BY-SA 4.0.