bare-buttWiktionary 原文构词拆分bare词根/词干“naked”+butt词根/词干“bottom”词源说明From bare (“naked”) + butt (“bottom”).释义（英文）形容词 Adjective(Canada, US, slang) With the buttocks exposed, as for a spanking or a mooning.(Canada, US, slang, by extension) Stark naked.