underbum

名词 n.

英文释义

名词 n.
  1. The lower part of the buttocks, as revealed by certain clothing such as skimpy shorts. UK,slang
    — Now, no one is pretending this is an easy look to pull off, but whereas the whale tail was shaming because it was a fail – the byproduct of you scrabbling in the bottom of your bag for your Oyster card – the underbum is at least bold and brazen, in a lollipoppy, Katy Perry or Rihanna kind of a way.

词形变化

underbums plural

词源

From under- + bum, by analogy with underboob.
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