rind

nahka, kuori tree bark
A hard, tough outer layer, particularly on food such as fruit, cheese, etc
Shakespeare

Sweetest nut hath sourest rind.

Thou canst not touch the freedom of my mind / With all thy charms, although this corporal rind / Thou hast immanacled.

Taking the money from a man when he's got his pants down. What are you, a doctor or a tailor's tout? Thirty bucks! If I figured you'd have the rind to touch me that much I'd have lashed them up with a pair of braces!

April 9, 1940. Then one of our RAF customers had the rind to suggest that ‘you women ought to give up smoking for the duration you know’. This, when they have the alternative of smoking pipes which is not open to us, ...

About a football match. Come the second half and the Trinidadians and Tobagans had the immortal rind to make excursions into the England half, the spectacle of which was deeply offensive to those whose memories extend to those happy days before 1962, when independence was unwisely conferred on this archipelago. Back in those days, a game like this would have presented little anxiety. Any goals scored by the Trinidadians, or Tobagans for that matter, would have been instantly become the property of the Crown and therefore added to England's tally. Glad times – 22 men working together for a common aim. However, such is the insolence of the modern age that these dark fellows dared approach the England penalty box, forelocks untugged, as if demanding instant entry to the Garrick club without having been put up by existing members.