underbutt
The lower part of the buttocks, especially as revealed by certain clothing such as skimpy shorts.
Noun
- 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:...
- My struggle is with my underbutt. Not my butt, but my underbutt, that chunk between the butt and the legs. - 2017, Beth Behrs, The Total ME-Tox: How to Ditch Your Diet, Move Your Body & Love Your Life, unnumbered page:
Origin
From under- + butt, by analogy with underboob.