thick skin
Insensitivity to criticism or insult, as in You can tell him exactly what you think of his new piece; unlike most composers he has a thick skin. This term transfers an impervious outer coating to mental or emotional toughness. [Mid-1500s]
| thick skin | |
noun | |
| skin that is very thick (as an elephant or rhinoceros) |
| the offspring of a zebra and a donkey. |
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |